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Volume 9, Number 38
September 20, 2010


Physical sciences
Technology
Life sciences
Neuroscience, psychology, behavior
Health and medicine
Physical sciences

Plate tectonics
Galaxies
Dark matter
Global warming
Solar magnetic field
Stellar cannibalism
Extrasolar planets
Astrochemistry
Protoplanetary disks
Self-organizing systems
Star-forming regions
Aerosols and clouds
Galaxy superclusters
Supernovae
Water near young massive stars
Earth's mantle
Solar 'sound'

Technology

Carbon nanotubes
Temporally coherent X-ray lasers
Nanotechnology
Microfluidics
Computer vision
DNA sequencing technology
Quantum computing
Spintronics
Phase change random access memory
Photovoltaics
Metamaterials
Ultra-cold matter

Life sciences

Origins of life
Human cytomegalovirus cloning
Protein degradation
Biochemical reaction rates in cells
Extremophiles
Lithocholic acid and yeast longevity
Acquired immunity in bacteria
Control of antibody production by CD8+ T regulatory cells
Nucleocytoplasmic transport of messenger RNA
Regulation of telomerase activity
Interferons, IL-1β, Tyk2, and inflammation
Speciation
Evolution of animal migration
CENP-A, epigenetics, and centromeres
Adipocytes and adiponectin
Effect of coding sequence on protein isoforms
APC and DNA methylation

Neuroscience, psychology, and behavior

Fusion of visual cues
Autism
Long-term potentiation and remodeling of dendritic spines
Schizophrenia
Brain-imaging studies
Mechanism of sleep induction
False memories
Limitations on human perception of moving objects
Optic flow and visual perception of self-motion
Antidepressants and microRNA
Cell signaling activity during brain cell development
Acetylcholinesterase inhibitors and perceptual learning
Mathematical modeling of brain development
Cocaine addiction
Effects of RGS14 on memory and the hippocampus
Rods and circadian rhythm

Health and medicine

Cancer
Cancer biology
Progeria and Wnt signaling
Mental aging
Alzheimer's disease
Parkinson's disease
Cardiovascular disease
Multiple sclerosis
Antibiotic resistance
Stem cells
AIDS
Nanobiotechnology
Antibiotics
Inflammatory bowel disease
Drug delivery
Gene therapy
Gene methylation and obesity
Methicillin-resistant Staphylococcus aureus
Milk consumption and weight loss
Tuberculosis
Drug discovery
Obesity
Autoimmune diseases and sex chromosomes
Inflammatory bowel disease
Diabetes
Clostridium difficile toxins



Physical sciences


Plate tectonics

References:
  1. September 13, 2010 - Younger, hotter Earth still not understood
  2. September 16, 2010 - The biggest crash on Earth: India slides under Tibet, but how?
Background


Galaxies

References:
  1. September 13, 2010 - Astronomer unveils the mysteries of "Green Pea" galaxies
Background


Dark matter

References:
  1. September 13, 2010 - Uncertain sources
Background


Global warming

References:
  1. September 13, 2010 - Links between global warming and extreme weather get stronger
  2. September 15, 2010 - Record Hot Summer Wreaks Havoc
  3. September 15, 2010 - Arctic sea ice shrinks to third lowest area on record
  4. September 15, 2010 - Annual Arctic ice minimum reached
  5. September 15, 2010 - Arctic storms to decrease with global warming: study
  6. September 15, 2010 - Earth's land areas had warmest summer on record
  7. September 16, 2010 - Strange summer melt leaves Arctic ice near record low
  8. September 16, 2010 - Global warming good news: Fewer big ocean storms possible
Background


Solar magnetic field

References:
  1. September 14, 2010 - Say Goodbye to Sunspots?
  2. September 15, 2010 - Sunspots could soon disappear for decades: study
Background


Stellar cannibalism

References:
  1. September 14, 2010 - Star Finds Fountain of Youth by Eating Companion
  2. September 14, 2010 - Chandra finds evidence for stellar cannibalism - also here
  3. September 14, 2010 - Enigmatic Star Devours Companion; Possibly Pregnant with Second-generation Planets - also here
  4. September 15, 2010 - Cannibal star consumes neighbour
  5. September 22, 2010 - Cannibal Star Gobbles Up Companion and Starts Acting Younger
Background


Extrasolar planets

References:
  1. September 14, 2010 - Lack of methane to blame for planet's 'smell'
  2. September 15, 2010 - Alien Planet's Missing Methane Stumps Scientists
  3. September 17, 2010 - Life beyond Earth 'within our grasp', astronomer says
  4. September 17, 2010 - Like Moths to a Flame, Alien Planets Can Flock to Nearest Star
Background


Astrochemistry

References:
  1. September 15, 2010 - Surprisingly complicated molecule found in open space - also here
Background


Protoplanetary disks

References:
  1. September 15, 2010 - Layered minerals in planet-forming region suggest origin of Earth's oceans
Background


Self-organizing systems

References:
  1. September 15, 2010 - Understanding behavioral patterns: Why bird flocks move in unison
Background


Star-forming regions

References:
  1. September 16, 2010 - Hubble Captures Cosmic Ice Sculptures
  2. September 16, 2010 - Cosmic ice sculptures: Dust pillars in the Carina Nebula
Background


Aerosols and clouds

References:
  1. September 16, 2010 - Clouds Are Shaped by Where They're From
  2. September 16, 2010 - 'Archeologists of the air' isolate pristine aerosol particles in the Amazon - also here, here
  3. September 20, 2010 - The Amazon rainforest - a cloud factory
Background


Galaxy superclusters

References:
  1. September 16, 2010 - Planck detects new supercluster of galaxies - also here
Background, Background


Supernovae

References:
  1. September 16, 2010 - 3-D computer simulations help envision supernovae explosions - also here
  2. September 17, 2010 - Where do supernovae come from?
  3. September 24, 2010 - The Supernova's Secrets Cracked at Last?
Background


Water near young massive stars

References:
  1. September 16, 2010 - Water around massive young stars
Background


Earth's mantle

References:
  1. September 17, 2010 - When the Earth mantle finds its core
  2. September 23, 2010 - New Magma Layer Found Deep in Earth's Mantle?
Background


Solar 'sound'

References:
  1. September 17, 2010 - Scientists Listen to Song of the Sun - also here
Background



Technology


Carbon nanotubes

References:
  1. September 13, 2010 - Solar funnel - also here, here
  2. September 15, 2010 - Carbon nanotubes twice as strong as once thought
Background


Temporally coherent X-ray lasers

References:
  1. September 13, 2010 - Temporal coherence: Future laser technology reaches new era
Background


Nanotechnology

References:
  1. September 13, 2010 - Would a molecular horse trot, pace, or glide across a surface?
  2. September 15, 2010 - Highly sensitive TNT detection with nanowires
  3. September 15, 2010 - SANE overcomes nanofabrication grand challenges
  4. September 16, 2010 - 'Nanosprings' offer improved performance in biomedicine, electronics
  5. September 16, 2010 - Two legs faster than four in the quantum world
Background


Microfluidics

References:
  1. September 14, 2010 - New microfluidic chip for discriminating bacteria
Background


Computer vision

References:
  1. September 15, 2010 - New supercomputer 'sees' well enough to drive a car someday
Background


DNA sequencing technology

References:
  1. September 15, 2010 - Third-generation DNA sequencing technologies to be developed by ASU
Background


Quantum computing

References:
  1. September 16, 2010 - Optical chip enables new approach to quantum computing - also here, here
  2. September 17, 2010 - Photon pairs take a quantum walk
Background


Spintronics

References:
  1. September 17, 2010 - Physicists cross hurdle in quantum manipulation of matter
Background


Phase change random access memory

References:
  1. September 17, 2010 - New nano-sized particles could provide mega-sized data storage - also here
Background


Photovoltaics

References:
  1. September 17, 2010 - Research team assesses environmental impact of organic solar cells
Background


Metamaterials

References:
  1. September 17, 2010 - Proactive metamaterials
Background


Ultra-cold matter

References:
  1. September 19, 2010 - Laser makes molecules super-cool
Background



Life sciences


Origins of life

References:
  1. September 13, 2010 - Comet impact shockwave may have planted seeds of life on Earth
  2. September 13, 2010 - Comets may have brought life to Earth: new study
Background


Human cytomegalovirus cloning

References:
  1. September 13, 2010 - Welsh scientists 'clone' human virus
Background


Protein degradation

References:
  1. September 13, 2010 - Your body recycling itself -- captured on film
Background, Background


Biochemical reaction rates in cells

References:
  1. September 13, 2010 - Speeding up in a crowd
Background


Extremophiles

References:
  1. September 15, 2010 - Microbe carries minimalism to extremes
  2. September 15, 2010 - New energy source for microbes
  3. September 16, 2010 - Extremophile microbes survive only on energy from formate oxidation
Background


Lithocholic acid and yeast longevity

References:
  1. September 15, 2010 - Fountain of youth in bile? Longevity molecule identified
Background


Acquired immunity in bacteria

References:
  1. September 15, 2010 - New study examines how bacteria acquire immunity
Background


Control of antibody production by CD8+ T regulatory cells

References:
  1. September 15, 2010 - Discovery highlights promise of new immune system-based therapies
Background


Nucleocytoplasmic transport of messenger RNA

References:
  1. September 15, 2010 - Nature study shows how molecules escape from the nucleus
Background


Regulation of telomerase activity

References:
  1. September 15, 2010 - Protein clamps tight to telomeres to help prevent aging... and support cancer
Background


Interferons, IL-1β, Tyk2, and inflammation

References:
  1. September 15, 2010 - Interfering with a double-edged sword: Novel anti-inflammatory functions for interferons
Background, Background


Speciation

References:
  1. September 16, 2010 - Animal and plant genes hard-wired for speciation
Background


Evolution of animal migration

References:
  1. September 16, 2010 - How Mass Migration Might Have Evolved
Background


CENP-A, epigenetics, and centromeres

References:
  1. September 16, 2010 - Study reveals structure of cell division's key molecule
Background, Background, Background


Adipocytes and adiponectin

References:
  1. September 16, 2010 - Researcher takes a closer look at hormone secreted by fat cells
Background


Effect of coding sequence on protein isoforms

References:
  1. September 17, 2010 - mRNA affects protein fate
Background


APC and DNA methylation

References:
  1. September 17, 2010 - Mechanism behind demethylation pinpointed in APC gene mutants
Background



Neuroscience, psychology, and behavior


Fusion of visual cues

References:
  1. September 13, 2010 - Children and adults see the world differently
Background


Autism

References:
  1. September 13, 2010 - Recovery from autism
  2. September 15, 2010 - Children under 4 and children with autism don't yawn contagiously
  3. September 15, 2010 - Genetic finding identifies male-linked mutation associated with autism spectrum disorders
  4. September 15, 2010 - Cognitive skills in children with autism vary and improve, study finds
  5. September 16, 2010 - Study reveals new piece in autism puzzle
Background


Long-term potentiation and remodeling of dendritic spines

References:
  1. September 13, 2010 - Scientists glimpse dance of skeletons inside neurons
Background


Schizophrenia

References:
  1. September 13, 2010 - Schizophrenia: what we know now
  2. September 14, 2010 - Team uncovers possible risk gene for schizophrenia
Background


Brain-imaging studies

References:
  1. September 13, 2010 - With Brain Positioning system, lost keys no longer an issue
  2. September 14, 2010 - Study shows tranquil scenes have positive impact on brain
  3. September 16, 2010 - Do You Know When You're Wrong? Gray Matter Shows Introspective Ability Is Not Black and White
  4. September 16, 2010 - Introspection linked to more gray matter in brain: study - also here
  5. September 16, 2010 - Brain region linked to introspection - also here
  6. September 17, 2010 - Brain matter linked to introspective thinking
  7. September 17, 2010 - Brain matter linked to introspective thoughts
Background


Mechanism of sleep induction

References:
  1. September 14, 2010 - Researchers discover key mechanism behind sleep
Background, Background


False memories

References:
  1. September 14, 2010 - False memories of self-performance result from watching others' actions
Background


Limitations on human perception of moving objects

References:
  1. September 15, 2010 - Two or three is all we see
Background


Optic flow and visual perception of self-motion

References:
  1. September 15, 2010 - Nerve cells use internal amplifiers to compensate for discrepancies in optic input
Background


Antidepressants and microRNA

References:
  1. September 16, 2010 - Minimolecule may explain how antidepressants work
  2. September 16, 2010 - How does Prozac act? By acting on the microRNA
Background, Background


Cell signaling activity during brain cell development

References:
  1. September 16, 2010 - Discovery of key pathway interaction may lead to therapies that aid brain growth and repair
Background, Background


Acetylcholinesterase inhibitors and perceptual learning

References:
  1. September 16, 2010 - Alzheimer's drug boosts perceptual learning in healthy adults
Background


Mathematical modeling of brain development

References:
  1. September 16, 2010 - Understanding developmental disorders with mathematical model
Background, Background, Background


Cocaine addiction

References:
  1. September 16, 2010 - Why the craving for cocaine won't go away
Background


Effects of RGS14 on memory and the hippocampus

References:
  1. September 17, 2010 - Gene limits learning and memory in mice
Background


Rods and circadian rhythm

References:
  1. September 17, 2010 - Rods help set internal clocks, biologist says
Background



Health and medicine


Cancer

References:
  1. September 13, 2010 - Swimming in chlorinated pools can lead to cancer: study
  2. September 13, 2010 - Early prostate cancer detection, screening: No benefit for men with low baseline PSA value
  3. September 13, 2010 - Lung cancer culprit could offer target for therapy, researchers say
  4. September 13, 2010 - Using the structure of the epidermal growth factor receptor to fight cancer
  5. September 13, 2010 - Skin lesions in breast cancer patients could lead to tumor, more study needed
  6. September 13, 2010 - Targeted agent shows promise for chronic lymphoid leukemia
  7. September 13, 2010 - Seattle Genetics says leukemia drug fails trial - also here
  8. September 14, 2010 - Platinum and light together fight cancer
  9. September 14, 2010 - Watercress may 'turn off' breast cancer signal
  10. September 14, 2010 - Mass screening for prostate brings few benefits: study
  11. September 15, 2010 - Blood test accurately predicts death from prostate cancer up to 25 years in advance
  12. September 15, 2010 - New investigational compound targets pancreatic cancer cells
  13. September 15, 2010 - Urgent need for prostate cancer screening amongst Dutch men
  14. September 15, 2010 - No support for routine prostate screening, but one-off test at 60 may be beneficial
  15. September 15, 2010 - First purification of cancer gene, BRCA2, studied by UNC scientists
  16. September 15, 2010 - Alcohol consumption after breast cancer diagnosis may increase recurrence risk
  17. September 15, 2010 - Men With Low PSA at 60 Might Not Need Further Screening
  18. September 15, 2010 - Blood test can accurately predict death from prostate cancer
  19. September 15, 2010 - No evidence for routine prostate screening: study
  20. September 15, 2010 - Novartis/Incyte drug said to ease blood-cancer symptoms
  21. September 15, 2010 - GTx-prostate cancer drug causes medical castration
  22. September 16, 2010 - A scientific breakthrough could be the first step in a better treatment for leukemia patients
  23. September 16, 2010 - Stress accelerates breast cancer progression in mice: study
  24. September 16, 2010 - Even very low dose of regular aspirin wards off bowel cancer
  25. September 16, 2010 - Novel target for existing drug may improve success of radiation therapy
  26. September 16, 2010 - Study unravels genetic risk of bowel cancer - also here
  27. September 17, 2010 - New study says molecule can starve cancer cells
  28. September 17, 2010 - Glaxo kidney cancer drug shrinks thyroid tumors: study
  29. September 18, 2010 - Targeted therapy decreases progression rate in thyroid cancer
  30. September 19, 2010 - Two studies find new genetic links to ovarian cancer risk
  31. September 19, 2010 - Better marker for breast cancer may reduce need for second surgeries
  32. September 19, 2010 - Researchers discover genetic variants modifying breast cancer risk
  33. September 20, 2010 - Gene sweeps nets female cancer clues
  34. September 20, 2010 - Gene studies zero in on breast, ovarian cancer risk
Background


Cancer biology

References:
  1. September 13, 2010 - Exosomal release of beta-catenin may explain why CD82 and CD9 suppress tumor metastasis
  2. September 13, 2010 - Selective inhibition of BMK1 suppresses tumor growth
  3. September 13, 2010 - Paper highlight: 'Hi-JAK-ing' cancer by inhibiting Jak2
  4. September 13, 2010 - Scientists find key pathway implicated in progression of childhood cancer
  5. September 16, 2010 - Researchers discover an unexpected twist in cancer metabolism - also here
  6. September 17, 2010 - Cancer cells found to trigger alternative biochemical pathway that speeds up their metabolism
Background


Progeria and Wnt signaling

References:
  1. September 13, 2010 - New insight into 'accelerated aging' disease
Background


Mental aging

References:
  1. September 13, 2010 - New study reconciles conflicting data on mental aging
  2. September 13, 2010 - Walking helps keep body and brain young
Background, Background


Alzheimer's disease

References:
  1. September 13, 2010 - Protein-based biomarkers in blood serum could classify individuals with Alzheimer's disease
  2. September 13, 2010 - Pilot study demonstrates safety of diabetes medication for patients with Alzheimer's disease
  3. September 13, 2010 - Simple blood test may detect Alzheimer's: study
  4. September 15, 2010 - Mild memory loss is not a part of normal aging
  5. September 15, 2010 - Memory problems not a normal sign of aging: study
  6. September 16, 2010 - Increased brain protein levels linked to Alzheimer's
  7. September 16, 2010 - Newly identified genetic marker involved in aggressive Alzheimer's disease
  8. September 16, 2010 - Gene predicts how fast Alzheimer's progresses - also here
Background


Parkinson's disease

References:
  1. September 13, 2010 - New pathway identified in Parkinson's through brain imaging
Background


Cardiovascular disease

References:
  1. September 13, 2010 - Breakthrough in drug trial offers hope for heart attack patients
  2. September 14, 2010 - Type D personality associated with higher future heart risk
  3. September 14, 2010 - Researchers nationwide ask for new focus on 'sudden death' heart disorder
  4. September 14, 2010 - Some salt consumption deemed good for blood pressure
  5. September 14, 2010 - Is high cholesterol linked to mom's smoking?
  6. September 15, 2010 - Molecule involved in heart failure now implicated in heart attack damage
  7. September 15, 2010 - Fuzzy thinking could spot heart disease risk
  8. September 15, 2010 - Gene network reveals link between fats and heart disease signs
  9. September 15, 2010 - Scientists find gene for high cholesterol in blood
  10. September 16, 2010 - High levels of cholesterol said better for longevity
  11. September 16, 2010 - Significant weight-loss from surgery decreases risk for cardiovascular disease in women
  12. September 16, 2010 - Depression and heart disease combo more lethal than either one alone
  13. September 16, 2010 - Air pollution linked to deadly cardiac arrests
Background


Multiple sclerosis

References:
  1. September 13, 2010 - Asthma medication may benefit patients with multiple sclerosis
  2. September 13, 2010 - Asthma drug may help multiple sclerosis: study
Background


Antibiotic resistance

References:
  1. September 13, 2010 - New drug-resistant superbugs found in 3 states - also here, here
  2. September 14, 2010 - 'Time bomb' superbug requires global response: doctor
Background


Stem cells

References:
  1. September 13, 2010 - Wisdom teeth: stashing your own stem cells
  2. September 13, 2010 - AstraZeneca hunts stem cell cure for eye disorder
  3. September 14, 2010 - First US trial of bone-marrow stem cells for heart attack patients proves safe
  4. September 16, 2010 - Fat stem cells safe for breast reconstruction when cancer is dormant: study
  5. September 16, 2010 - Scientists seek to improve heart attack recovery
Background


AIDS

References:
  1. September 13, 2010 - Gilead says Quad pill suppresses HIV at 48 weeks
  2. September 16, 2010 - AIDS virus lineage much older than previously thought
  3. September 17, 2010 - AIDS virus might be a million years old
  4. September 17, 2010 - Putting the brakes on drug-resistant HIV
  5. September 19, 2010 - Rutgers researchers discover how HIV resists AZT
Background


Nanobiotechnology

References:
  1. September 14, 2010 - Tiny traits cause big headaches
  2. September 17, 2010 - Nanoparticle-decorated cells power novel approach to cancer therapy
  3. September 17, 2010 - Novel chemistry amplifies ability of nanoparticles to detect rare cells
  4. September 18, 2010 - Nano-Vehicle acts as cluster bomb for tumors
Background


Antibiotics

References:
  1. September 14, 2010 - Outsmarting killer bacteria: Next generation of antibiotics to combat drug-resistant 'superbugs'
Background


Inflammatory bowel disease

References:
  1. September 14, 2010 - Inflammatory bowel disease in kids is on a mysterious rise
Background


Drug delivery

References:
  1. September 14, 2010 - 'Superbowl' kicks off drug delivery revolution
Background


Gene therapy

References:
  1. September 15, 2010 - Gene-therapy hope for β-thalassaemia patients
  2. September 15, 2010 - Gene therapy success for anaemia patient
  3. September 15, 2010 - Nature publishes results of gene therapy treatment in phase 1/2 beta-thalassemia study
  4. September 15, 2010 - Gene therapy appears to help patient with anemia
  5. September 16, 2010 - Engineered version of HIV is used to cure genetic blood disorder
  6. September 16, 2010 - Cambridge firm hopeful, cautious on gene therapy
Background


Gene methylation and obesity

References:
  1. September 15, 2010 - DNA 'Volume Knobs' May Be Associated With Obesity
  2. September 15, 2010 - Environmental DNA modifications tied to obesity
Background, Background


Methicillin-resistant Staphylococcus aureus

References:
  1. September 15, 2010 - Superbug genetics key to fight staph infections: experts
  2. September 16, 2010 - Researcher discovers new 'anti-pathogenic' drugs to treat MRSA
Background, Background


Milk consumption and weight loss

References:
  1. September 15, 2010 - New study finds milk drinkers may have a healthy weight advantage
Background


Tuberculosis

References:
  1. September 15, 2010 - New test gives one-hour TB diagnosis: scientists
  2. September 16, 2010 - Discovery of new genes involved in the parasitism of cells by the tubercle bacillus
  3. September 17, 2010 - Study finds possible 'persistence' switch for tuberculosis
Background


Drug discovery

References:
  1. September 15, 2010 - Researchers develop database to help accelerate drug discovery
  2. September 16, 2010 - Scientists develop test providing new pathway for identifying obesity, diabetes drugs
Background


Obesity

References:
  1. September 15, 2010 - Scientists find genes related to body mass
  2. September 15, 2010 - US FDA panel split over fate of Abbott diet drug - also here
  3. September 16, 2010 - U.S. advisers reject Arena diet drug; shares plunge - also here
  4. September 17, 2010 - Diet drugs face tough test before FDA
Background


Autoimmune diseases and sex chromosomes

References:
  1. September 16, 2010 - Sex differences determined not simply by gender
Background, Background


Inflammatory bowel disease

References:
  1. September 16, 2010 - Bacteria identified that may lead to inflammatory bowel disease in certain individuals
Background


Diabetes

References:
  1. September 17, 2010 - New blood markers for diabetes may help to identify patients at risk
  2. September 17, 2010 - Key genetic players in diabetes identified
  3. September 19, 2010 - Biochemical link between biological clock and diabetes discovered
Background


Clostridium difficile toxins

References:
  1. September 17, 2010 - Scientists re-establish dual toxin importance in C.diff
Background


Copyright © 2010 by Charles Daney, All Rights Reserved