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Volume 10, Number 48
November 28, 2011


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

Criteria for extrasolar planet habitability
Greenhouse gases
Gravitational lens
Supersymmetry
CO2 sources
Possibility of superluminal neutrinos
Dark matter and positron exess
Supernovae
Pulsars
Star-forming regions
Higgs boson
Limits on dark matter particle mass
Cosmic rays from Cygnus X
Earth's core
Arctic sea ice
Fixed point theorem
Quantum superposition
Quantum gravity
Global warming
Plate tectonics
Earthquakes
Atmospheric oxygenation

Technology

Topological semimetal
Carbon nanotubes
Plasmonics
Hydrogen storage
Photovoltaics
Quantum dots
Photonic chips
Fuel cells
Superconductivity
Graphene
High-speed optical communications
Terahertz technology
Second-harmonic generation

Life sciences

B cells
Chromatin architecture and chromosomal alterations
Hydrogen peroxide, the immune system, and wound healing
Sexual antagonism
Yeast longevity and Sip2 acetylation
Dendritic cells
Paleontology of teeth
Aging in yeast and mitosis
Insulin signaling, IGF1 receptor, and longevity
Sexual selection
MC3R and metabolic homeostasis
ATM, ATR, and telomerase extension of telomeres
Speciation rate
Gene enhancers and development
B-type lamins and embryonic development
Polyandry
Last universal common ancestor
Gene regulation effects of microRNA from food
Neanderthals

Neuroscience, psychology, and behavior

Effects of caffeine in the hippocampus
Neurons derived from stem cells
Brain-imaging studies
Face perception
Information filtering in the olfactory system
Synesthesia
Awareness and decision making
Regulation of wakefulness and sleep
Physical activity and sleep
Psychopathic brain structure
Dreaming and reduction of painful emotions
Schizophrenia
Cognitive change in aging
Densin-180 and synapse function
Brain organization for language
Autism
Rivalry in visual perception
Neuron transplantation
Transcranial stimulation and learning
Appetite, leptin, and dopamine
GABA and extrasynaptic receptors of neutons

Health and medicine

Antibiotic resistance
Cancer
Cancer biology
Nanobiotechnology
Tuberculosis
Synthetic RNA therapeutics
Alzheimer's disease
Diabetes
Stem cells
Cardiovascular disease
Cancer cell metabolism
Drug delivery
P53, obesity, and cancer
AIDS
Obesity
NF-κB, hypoxia, and inflammation
Regenerative medicine
Malaria
Influenza spread



Physical sciences


Criteria for extrasolar planet habitability

References:
  1. November 21, 2011 - Search for Alien Life Should Include Exotic Possibilities
  2. November 21, 2011 - Research group proposes first system for assessing the odds of life on other worlds
  3. November 22, 2011 - Want to Find Aliens? Look for More than Just Earth-Like Planets
  4. November 22, 2011 - New recipe in the search for alien life
Background, Background


Greenhouse gases

References:
  1. November 21, 2011 - Greenhouse gases rise to record high in 2010: UN
  2. November 21, 2011 - Greenhouse gases soar; no signs warming is slowed - also here
Background


Gravitational lens

References:
  1. November 21, 2011 - A serendipitous gravitational lens
Background


Supersymmetry

References:
  1. November 21, 2011 - Still Waiting for Supersymmetry
Background


CO2 sources

References:
  1. November 21, 2011 - Air bubbles confirm permafrost CO2 release
Background


Possibility of superluminal neutrinos

References:
  1. November 21, 2011 - Neutrino fever produces media storm
  2. November 21, 2011 - Study rejects "faster than light" particle finding
  3. November 22, 2011 - LHC could shed light on superluminal neutrinos
  4. November 23, 2011 - Physicists: Did neutrinos break the speed of light?
  5. November 25, 2011 - Neutrinos win but Einstein hasn't lost yet
Background


Dark matter and positron exess

References:
  1. November 22, 2011 - Cosmic Antimatter Excess Confirmed - also here
  2. November 28, 2011 - One Promising Puzzle Piece for Confirming Dark Matter Now Seems Unlikely Fit - also here, here
  3. November 28, 2011 - One Promising Puzzle Piece for Confirming Dark Matter Now Seems Unlikely Fit, Researchers Find - also here
  4. November 29, 2011 - Positron Signaling For Dark Matter Inconclusive
  5. November 30, 2011 - New Study Throws Dark Matter Finding Into Question
Background


Supernovae

References:
  1. November 22, 2011 - A tiny flame shines light on supernovae explosions
Background


Pulsars

References:
  1. November 22, 2011 - Are pulsars giant permanent magnets?
  2. November 28, 2011 - Study puts new spin on pulsars
  3. December 13, 2011 - Are pulsars giant 'neutromagnets'?
Background


Star-forming regions

References:
  1. November 22, 2011 - NASA's airborne observatory views star forming region W40
Background


Higgs boson

References:
  1. November 22, 2011 - What's that 'fluctuation' at 120 GeV?
  2. November 25, 2011 - Search narrowed for Higgs: does it exist?
Background


Limits on dark matter particle mass

References:
  1. November 23, 2011 - Physicists set strongest limit on mass of dark matter - also here, here
  2. November 29, 2011 - Dark matter particles may be heavyweights after all
  3. November 29, 2011 - Scientists Narrow Down Dark Matter's Mass
  4. November 30, 2011 - New Twist in the Search for Dark Matter
  5. December 1, 2011 - Strongest limit set on dark matter's mass
  6. December 8, 2011 - Gamma Rays Carry No Trace of Dark Matter
  7. December 8, 2011 - Latest Fermi studies find no trace of dark matter
Technical Papers:
  1. Exclusion of canonical WIMPs by the joint analysis of Milky Way dwarfs with Fermi
  2. Constraining Dark Matter Signal from a Combined Analysis of Milky Way Satellites with the Fermi-LAT
Background


Cosmic rays from Cygnus X

References:
  1. November 23, 2011 - Another Origin for Cosmic Rays
  2. November 24, 2011 - 'Superbubble' generates cosmic rays
  3. November 24, 2011 - Cosmic ray factory observed in stellar superbubble
  4. November 24, 2011 - Space 'Superbubbles' Could Spawn Energetic Cosmic Rays
  5. November 25, 2011 - Cosmic rays may be born in superbubbles
  6. November 28, 2011 - In The Heart Of Cygnus, NASA's Fermi Reveals A Cosmic-ray Cocoon - also here
  7. November 29, 2011 - Superbubble harbors cosmic rays
  8. November 29, 2011 - Gamma Rays Fill Cosmic Bubbles in New NASA Photo
Technical papers:
  1. A Cocoon of Freshly Accelerated Cosmic Rays Detected by Fermi in the Cygnus Superbubble
Background


Earth's core

References:
  1. November 23, 2011 - Oxygen a bit player in Earth's outer core
  2. November 23, 2011 - Earth's outer core deprived of oxygen: study
Background


Arctic sea ice

References:
  1. November 23, 2011 - Arctic sea ice decline 'unprecedented' in last 1,400 years
Background, Background


Fixed point theorem

References:
  1. November 23, 2011 - Mathematics: Mapping a fixed point
Background


Quantum superposition

References:
  1. November 23, 2011 - Coherent Schrödinger's cat still confounds
Background


Quantum gravity

References:
  1. November 23, 2011 - Wrestling with Infinities
Background


Global warming

References:
  1. November 24, 2011 - Climate sensitivity to CO2 more limited than extreme projections: research
  2. November 24, 2011 - CO2 may not warm the planet as much as thought
  3. November 25, 2011 - Last big chill suggests lower climate impact of carbon
  4. November 25, 2011 - Carbon dioxide doubling impact has limit
  5. November 25, 2011 - Global warming rate less than feared
Background


Plate tectonics

References:
  1. November 24, 2011 - Plate tectonics coming of age
Background


Earthquakes

References:
  1. November 24, 2011 - Earth's past gives clues to future changes
Background


Atmospheric oxygenation

References:
  1. November 25, 2011 - Debut of chromium signatures clocks great oxidation event


Technology


Topological semimetal

References:
  1. November 21, 2011 - Through simple system studies, researchers are unearthing a new quantum state of matter - also here
  2. November 21, 2011 - Discoveries of new quantum states of matter could change face of technology
Technical papers:
  1. Topological semimetal in a fermionic optical lattice
Background


Carbon nanotubes

References:
  1. November 21, 2011 - Carbon nanotube forest camouflages 3-D objects
Background


Plasmonics

References:
  1. November 22, 2011 - On the road to plasmonics with silver polyhedral nanocrystals
Background


Hydrogen storage

References:
  1. November 22, 2011 - Chemists develop liquid-based hydrogen storage material
Background


Photovoltaics

References:
  1. November 22, 2011 - Commercial 'green' solar cells may be possible: researchers
Background


Quantum dots

References:
  1. November 23, 2011 - Artificial molecules: Researchers explore novel methods for assembly of quantum dots
Background


Photonic chips

References:
  1. November 23, 2011 - Research produces long-sought component to allow complete optical circuits on silicon chips
Background


Fuel cells

References:
  1. November 24, 2011 - First elucidation of cause of long-term stability deterioration in solid oxide fuel cells
Background


Superconductivity

References:
  1. November 24, 2011 - First proof of single atomic layer material with zero electrical resistance
Background


Graphene

References:
  1. November 24, 2011 - Graphene foam detects explosives, emissions better than today's gas sensors
  2. November 25, 2011 - Graphene ink created for ink-jet printing of electronic components
  3. November 25, 2011 - Graphene: the future in a pencil trace
Background


High-speed optical communications

References:
  1. November 24, 2011 - First implementation of 100 and 40Gbps ultra-high-speed plug-and-play optical communications
Background


Terahertz technology

References:
  1. November 25, 2011 - Japan collab transmits record data speeds on terahertz waves
Background


Second-harmonic generation

References:
  1. November 25, 2011 - Tilting 'nanocups' double optical frequencies
Background



Life sciences


B cells

References:
  1. November 21, 2011 - Immune cells function beyond battle
Background


Chromatin architecture and chromosomal alterations

References:
  1. November 21, 2011 - Seeing cancer in three dimensions
Technical papers:
  1. High order chromatin architecture shapes the landscape of chromosomal alterations in cancer
Background, Background


Hydrogen peroxide, the immune system, and wound healing

References:
  1. November 21, 2011 - Hydrogen peroxide provides clues to immunity, wound healing and tumor biology
Background


Sexual antagonism

References:
  1. November 22, 2011 - Sex explains why the fit don't always survive
Background


Yeast longevity and Sip2 acetylation

References:
  1. November 22, 2011 - Scientists turn on fountain of youth in yeast
Background


Dendritic cells

References:
  1. November 22, 2011 - Dendritic cells protect against acute pancreatitis
Background


Paleontology of teeth

References:
  1. November 22, 2011 - First teeth grew outside of the body
Background


Aging in yeast and mitosis

References:
  1. November 23, 2011 - A New Model of Yeast Aging
  2. November 23, 2011 - How old yeast cells send off their daughter cells without the baggage of old age
Background, Background


Insulin signaling, IGF1 receptor, and longevity

References:
  1. November 23, 2011 - Mice with fewer insulin-signaling receptors don't live longer
Background


Sexual selection

References:
  1. November 23, 2011 - They call it 'guppy love': Biologists solve an evolution mystery
Background


MC3R and metabolic homeostasis

References:
  1. November 23, 2011 - Scientists uncover new role for gene in maintaining steady weight
Background


ATM, ATR, and telomerase extension of telomeres

References:
  1. November 23, 2011 - Study identifies a key molecular switch for telomere extension by telomerase
Background


Speciation rate

References:
  1. November 23, 2011 - Studying bat skulls, evolutionary biologists discover how species evolve
Background


Gene enhancers and development

References:
  1. November 23, 2011 - Finger (mal)formation reveals surprise function of desert DNA
Background, Background


B-type lamins and embryonic development

References:
  1. November 24, 2011 - Surprise role of nuclear structure protein in development
Background


Polyandry

References:
  1. November 24, 2011 - Polyandry drives increased embryo viability
Background


Last universal common ancestor

References:
  1. November 25, 2011 - Life began with a planetary mega-organism
  2. November 28, 2011 - Researchers make the case that modern life sprang from early mega-organism
Background


Gene regulation effects of microRNA from food

References:
  1. November 25, 2011 - Food We Eat Might Control Our Genes
Background, Background


Neanderthals

References:
  1. November 25, 2011 - Sex With Humans Made Neanderthals Extinct?
Background



Neuroscience, psychology, and behavior


Effects of caffeine in the hippocampus

References:
  1. November 21, 2011 - Caffeine strengthens electrical signals in rats' hippocampus
Background


Neurons derived from stem cells

References:
  1. November 21, 2011 - Success with Stem Cell Neurons
  2. November 21, 2011 - Implanted neurons, grown in the lab, take charge of brain circuitry
Background, Background


Brain-imaging studies

References:
  1. November 21, 2011 - Tuning out: How brains benefit from meditation
  2. November 22, 2011 - Older brains lack access to region for swift decisions
  3. November 23, 2011 - Brain imaging, behavior research reveals physicians learn more by paying attention to failure
  4. November 24, 2011 - Playing music alters the processing of multiple sensory stimuli in the brain
  5. November 25, 2011 - Sudden stress shifts human brain into survival mode
Background


Face perception

References:
  1. November 21, 2011 - New research sheds light on how we see family resemblance in faces
Background


Information filtering in the olfactory system

References:
  1. November 21, 2011 - Neuronal filters for broadband information transmission in the brain
Background


Synesthesia

References:
  1. November 22, 2011 - Unraveling synesthesia
  2. November 22, 2011 - Why has synesthesia survived evolution?
  3. November 23, 2011 - Why did synaesthesia survive evolution?
Background


Awareness and decision making

References:
  1. November 22, 2011 - Awareness biases information processing
Background, Background


Regulation of wakefulness and sleep

References:
  1. November 22, 2011 - Researchers identify molecular mechanism that regulates wakefulness, sleep
Background


Physical activity and sleep

References:
  1. November 22, 2011 - Physical activity impacts overall quality of sleep
Background


Psychopathic brain structure

References:
  1. November 22, 2011 - Psychopaths' brains show differences in structure and function
  2. November 28, 2011 - The brains of psychopaths have a different structure than healthy brains
  3. November 30, 2011 - Weaker brain links found in psychopaths
Background


Dreaming and reduction of painful emotions

References:
  1. November 23, 2011 - Dreaming takes the sting out of painful memories: study
  2. November 29, 2011 - Why Do We Dream? To Ease Painful Memories, Study Hints
Background, Background


Schizophrenia

References:
  1. November 23, 2011 - Researchers develop method for advancing development of antipsychotic drugs
Background


Cognitive change in aging

References:
  1. November 23, 2011 - A study looks at the nature of change in our aging, changing brains
Background, Background


Densin-180 and synapse function

References:
  1. November 23, 2011 - Scientists point to link between missing synapse protein and abnormal behaviors
Background


Brain organization for language

References:
  1. November 24, 2011 - How the brain strings words into sentences
Background, Background


Autism

References:
  1. November 24, 2011 - Neuroscientists find that two rare autism-related disorders are caused by opposing malfunctions in the brain
  2. November 24, 2011 - Genetic mutations clue to autism drugs
  3. November 27, 2011 - Brain find sheds light on autism
Background


Rivalry in visual perception

References:
  1. November 24, 2011 - New evidence of an unrecognized visual process
Background


Neuron transplantation

References:
  1. November 24, 2011 - Rebuilding the brain's circuitry - also here
  2. November 24, 2011 - Neuron transplant in damaged brain fixes obesity
Background


Transcranial stimulation and learning

References:
  1. November 25, 2011 - Transcranial Stimulation Shows Promise in Speeding Up Learning
Background


Appetite, leptin, and dopamine

References:
  1. November 25, 2011 - Hunger and hormones determine food's appeal
Background


GABA and extrasynaptic receptors of neutons

References:
  1. November 25, 2011 - Conducting how neurons fire
Background



Health and medicine


Antibiotic resistance

References:
  1. November 21, 2011 - Watching bacteria evolve into problems
  2. November 22, 2011 - Antibiotic resistance marching across Europe
  3. November 23, 2011 - Elevated natural soil metals linked to antibiotic resistance
Background


Cancer

References:
  1. November 21, 2011 - Cancer drug cisplatin found to bind like glue in cellular RNA
  2. November 21, 2011 - Cancer vaccine impact limited unless drug industry focuses on difficult-to-treat tumors
  3. November 21, 2011 - Laser removal may be advantageous for treating precancerous skin lesions
  4. November 21, 2011 - Researchers shrink tumors, minimize side effects using tumor-homing peptide to deliver treatment
  5. November 21, 2011 - BRAF addiction of thyroid cancers makes them therapeutically vulnerable
  6. November 21, 2011 - IBD patients face increased skin cancer risk
  7. November 21, 2011 - Technologies give high-resolution 'snapshot' of cancer tissues
  8. November 22, 2011 - New class of drugs for the reversible inhibition of proteasomes
  9. November 22, 2011 - Bat plant could give some cancers a devil of a time
  10. November 22, 2011 - Arginine restores T-cell ability to target cancer
  11. November 22, 2011 - Coffee may protect against endometrial cancer
  12. November 23, 2011 - Diabetes drug metformin shows promise in reducing risk of cancer
  13. November 23, 2011 - Incidences and severity of prostate cancer correlated with meat consumption: study
  14. November 23, 2011 - Enhanced treatment of brain tumors
  15. November 23, 2011 - New evidence links virus to brain cancer
  16. November 24, 2011 - More intensive chemotherapy dramatically improves recurrence, survival in younger patients with aggressive lymphoma
  17. November 24, 2011 - Researchers discover why new melanoma drug stops working
  18. November 25, 2011 - Britons to take part in Cuban lung cancer vaccine trial
Background


Cancer biology

References:
  1. November 21, 2011 - New study identifies novel role for PEA-15 protein in cancer growth
  2. November 22, 2011 - P Rex-1 protein key to melanoma metastasis
  3. November 22, 2011 - Tumor-specific pathway identified
  4. November 24, 2011 - Internal skin cancer prevention: Repairing UV damage in the skin
Background


Nanobiotechnology

References:
  1. November 21, 2011 - Nanoparticles and Mini-NMR point the way to personalized cancer therapy
  2. November 21, 2011 - Inhaled nanoparticles deliver potent anticancer cocktail to lung tumors and block resistance
  3. November 21, 2011 - Nanoparticle-based combination therapy shows promise in colon cancer prevention
  4. November 22, 2011 - Nanoparticles harvest invisible cancer biomarkers
Background


Tuberculosis

References:
  1. November 21, 2011 - Tuberculosis researchers discover potential new target for treatments
Background


Synthetic RNA therapeutics

References:
  1. November 21, 2011 - Researchers find synthetic RNA lessens severity of fatal disease
Background


Alzheimer's disease

References:
  1. November 21, 2011 - People with early Alzheimer's disease may be more likely to have lower BMI
  2. November 21, 2011 - Poor recycling of BACE1 enzyme could promote Alzheimer's disease
  3. November 23, 2011 - Alzheimer's damage reversed by deep brain stimulation
Background


Diabetes

References:
  1. November 21, 2011 - New study may lead to better, safer drug for diabetes
  2. November 21, 2011 - Diet, lifestyle key to preventing diabetes
  3. November 22, 2011 - Andromeda Biotech: A drug for type 1 diabetes
Background


Stem cells

References:
  1. November 21, 2011 - Stanford team treats final patient in landmark stem cell therapy trial
  2. November 22, 2011 - A first -- lab creates cells used by brain to control muscle cells - also here
  3. November 27, 2011 - Neurons grown from skin cells may hold clues to autism
Background


Cardiovascular disease

References:
  1. November 21, 2011 - Heart experts share some surprising findings
  2. November 21, 2011 - Severity of heart attack is dependent on the time of day
  3. November 22, 2011 - New study calls sodium intake guidelines into question
  4. November 23, 2011 - Substance in cancer medicine could prevent heart attacks
  5. November 23, 2011 - Heart disease: Long-term study proves benefit of statins
  6. November 23, 2011 - Too little salt in the diet a 'bad thing'?
  7. November 24, 2011 - Vitamin D-fortified yoghurt improves cholesterol levels and heart disease biomarkers for diabetics
  8. November 25, 2011 - Genetic defect disturbs salt handling and pushes up blood pressure levels
Background


Cancer cell metabolism

References:
  1. November 21, 2011 - How cancer cells get by on a starvation diet - also here
  2. November 22, 2011 - New bioengineering prof uncovers cancer metabolism insights
Technical papers:
  1. Reductive glutamine metabolism by IDH1 mediates lipogenesis under hypoxia
Background, Background


Drug delivery

References:
  1. November 22, 2011 - Building a Breakable Capsule
Background


P53, obesity, and cancer

References:
  1. November 22, 2011 - An Obesity-Cancer Link?
Background, Background


AIDS

References:
  1. November 22, 2011 - Earlier antiretroviral therapy might reduce the burden of cancer in those with HIV
  2. November 23, 2011 - Scientists determine how antibody recognizes key sugars on HIV surface - also here
  3. November 24, 2011 - HIV group N case detected outside Cameroon for the first time
  4. November 24, 2011 - Research finds HIV-killing compound
Background


Obesity

References:
  1. November 22, 2011 - High sugar diet of moms-to-be linked to larger babies and childhood obesity
  2. November 23, 2011 - Overweight individuals more susceptible to risk factors for further weight gain
  3. November 23, 2011 - Exercise helps us to eat a healthy diet
Background


NF-κB, hypoxia, and inflammation

References:
  1. November 22, 2011 - Illuminating cross talk between signalling factors
Background


Regenerative medicine

References:
  1. November 24, 2011 - Metabolic defects in mice corrected with transplanted embryonic neurons
Background


Malaria

References:
  1. November 25, 2011 - Breakthrough in malaria research looks to body's immune cells
Background


Influenza spread

References:
  1. November 27, 2011 - Seasonal flu may not spring from east Asia
Background


Copyright © 2011 by Charles Daney, All Rights Reserved