Open Questions Chronicle

[OQC Home] [Open Questions] [Site Map] [Previous] [Next]

Volume 6, Number 29
July 16, 2007

Physical sciences and technology

Graphene spin valve
Fuel cells
Extrasolar planets
Very early galaxies
Solar activity and global warming
Gamma-ray bursts
Photonic crystals
Global warming
Nanotechnology
Neutron stars
Robotics
Supercomputing
Density waves in galaxies
Supernovae
Solar cells
Dark energy and extra dimensions
Surface plasmon polaritons
Acoustic plasmons
Molecular electronics
Water on Mars
Graphene
Carbon nanotubes
Möbius strip

Life sciences

Helicase and DNA replication
Cancer biology
Agricultural biotechnology
Transfer RNA
Vision and attention
Speciation in plants
Evolutionary developmental biology of flowers
Sexual selection and biological diversity
Synthetic biology
Butterfly mimicry
MicroRNA control of protein synthesis
EGFR and myelination
Neutral genetic drift
Computer prediction of protein function
Early human ancestors
Brain-imaging studies
Rapid butterfly evolution
Model of early evolution
Macrophage filopodia
Cyanobacteria
Recent human genome evolution
Adiponectin, appetite, and metabolism
Micro RNA
Mitochondria and apoptosis
Short-term memory
Gene expression
Developmental biology of fruit flies
Neutrophils
Mathematical modeling of embryo development
Functions of non-coding DNA

Health and medicine

Avian flu
Parkinson's disease
Diabetes
Prions
Cardiovascular disease
Cancer
Cancer vaccines
Stem cells
Antibiotic resistance
Fat metabolism
Cancer drug delivery
Alzheimer's disease
Western diet and breast cancer risk
Gene therapy for cancer
AIDS
MicroRNA and psoriasis
Protein marker of visceral fat
Stem cells and Parkinson's disease
Metabolic syndrome
Autism



Physical sciences and technology


Graphene spin valve

References:
  1. July 9, 2007 - A new type of spin valve that uses graphene
Background, Background


Fuel cells

References:
  1. July 9, 2007 - Nanocrystals Key to Better Fuel Cells
Background


Extrasolar planets

References:
  1. July 9, 2007 - Why Some Huge Planets Hug Stars So Tight
  2. July 10, 2007 - Stellar Tiramisu: Astronomers Find Hints of Distant Planetary Pollution - also here
  3. July 10, 2007 - NASA's Stardust And Deep Impact Will Observe More Comets And Extrasolar Planets
  4. July 11, 2007 - NASA's Spitzer Finds Water Vapor on Hot, Alien Planet - also here, here
  5. July 11, 2007 - Water, water everywhere - on an extrasolar planet - also here
  6. July 11, 2007 - Water Found on Distant Planet
  7. July 11, 2007 - Scientists find signs of water beyond solar system
  8. July 11, 2007 - Hot Jupiters Wet Too
  9. July 11, 2007 - 'Clear Signs of Water' on Distant Planet
  10. July 11, 2007 - Water found on distant planet
  11. July 12, 2007 - Signs of water beyond solar system
  12. July 12, 2007 - Astronomers find water on extra-solar planet - also here
  13. July 12, 2007 - Astronomers detect water in distant planet's atmosphere
  14. July 13, 2007 - Giant Outer Extrasolar Planets Are Rare, Survey Suggests - also here, here
Background


Very early galaxies

References:
  1. July 10, 2007 - Baby galaxies sighted at dawn of universe
  2. July 10, 2007 - Astronomers Strain to Glimpse Oldest Galaxies Yet
  3. July 10, 2007 - Astronomers spot most distant galaxies ever seen
  4. July 10, 2007 - Astronomers Find Farthest Known Galaxies
  5. July 10, 2007 - Early Universe's First Stars Spied in Distant Galaxies
  6. July 11, 2007 - Astronomers find the most distant known galaxies
  7. July 11, 2007 - Astronomers claim galaxy record
  8. July 14, 2007 - Telescope Gives Deepest View of Space - also here, here, here
Background, Background


Solar activity and global warming

References:
  1. July 10, 2007 - 'No Sun link' to climate change
  2. July 11, 2007 - Sun's activity rules out link to global warming
  3. July 11, 2007 - Study clears sun of global warming
  4. July 11, 2007 - Sun's in the clear over global warming, says study
  5. July 11, 2007 - New analysis counters claims that solar activity is linked to global warming
Background


Gamma-ray bursts

References:
  1. July 10, 2007 - GROND Takes Off: Will Image Gamma-Ray Bursts - also here
Background


Photonic crystals

References:
  1. July 10, 2007 - Nonlinearities could be strengthened by photonic crystals
Background


Global warming

References:
  1. July 11, 2007 - Gloomy Outlook for Northeast Climate
  2. July 12, 2007 - Study Paints Dire Picture of Warmer Northeast
Background


Nanotechnology

References:
  1. July 11, 2007 - How To Make Polymeric Micro- And Nanoparticles - also here, here
Background


Neutron stars

References:
  1. July 11, 2007 - Chandra Finds Star With a Mystery Partner - also here
Background


Robotics

References:
  1. July 12, 2007 - Animal-like 'instinct' keeps robot marching
  2. July 12, 2007 - Walking robot offers clues to human movement
  3. July 12, 2007 - Robot unravels mystery of walking
  4. July 12, 2007 - A bot's life
  5. July 13, 2007 - A walking robot goes mountaineering - also here
  6. July 15, 2007 - Lazy robots look more natural on the move
Background


Supercomputing

References:
  1. July 12, 2007 - Supercomputing On Demand: New Resource for Rapid Response
Background


Density waves in galaxies

References:
  1. July 12, 2007 - Astronomers Get Better View Of Density Waves In Galaxies - also here, here
  2. July 25, 2007 - Astronomers Develop New Method To Describe Galaxy Features
Background


Supernovae

References:
  1. July 12, 2007 - Astronomers discover the power behind supernovae
  2. July 13, 2007 - The Gobbling Dwarf that Exploded - also here
  3. July 15, 2007 - Dwarf Star Gulps Giant To Form Supernova - also here
  4. August 4, 2007 - Shedding light on the precursor to a supernova
Background


Solar cells

References:
  1. July 13, 2007 - Exfoliation produces lighter, cheaper solar cells
  2. July 15, 2007 - Higher Efficiency Organic Solar Cell Created - also here, here
Background


Dark energy and extra dimensions

References:
  1. July 13, 2007 - Is dark energy lurking in hidden spatial dimensions?
Background, Background


Surface plasmon polaritons

References:
  1. July 13, 2007 - On a Wire or in a Fiber, a Wave is a Wave - also here, here, here, here
  2. July 17, 2007 - Understanding light at the nanoscale: a nano-sized double-slit experiment
Background


Acoustic plasmons

References:
  1. July 13, 2007 - New Phenomenon In Physics Discovered On Illumination Of Metal Surfaces - also here
Background


Molecular electronics

References:
  1. July 13, 2007 - Chemists Close In On Molecular Switch - also here
Background


Water on Mars

References:
  1. July 13, 2007 - The origin of perennial water-ice at the South Pole of Mars - also here, here, here
Background


Graphene

References:
  1. July 13, 2007 - Speed bumps less important than potholes for graphene - also here, here
Background


Carbon nanotubes

References:
  1. July 14, 2007 - Nanotubes strengthen artificial muscles
Background


Möbius strip

References:
  1. July 15, 2007 - Möbius strip unravelled
  2. July 16, 2007 - Moebius Strip Riddle Solved at Last
  3. July 16, 2007 - A New Twist on the Möbius Strip
  4. July 16, 2007 - Moebius strip unravelled at last
  5. July 17, 2007 - Shaping Up a Möbius Strip
  6. July 26, 2007 - 'Endless Ribbon' Mystery Solved
Background



Life sciences


Helicase and DNA replication

References:
  1. July 9, 2007 - Researchers Solve Mystery Of How DNA Strands Separate
Background


Cancer biology

References:
  1. July 9, 2007 - Antibiotic Used To Treat Fungal Infections Also Kills Cancer Cells, Research Suggests
  2. July 9, 2007 - Common gene link seen between prostate and colorectal cancer
  3. July 10, 2007 - Digging for DNA that Drives Colon Cancer
  4. July 11, 2007 - Advance Made In Search For Genes Associated With Colon Cancer
  5. July 11, 2007 - Common Genetic Risk Factor For Colorectal And Prostate Cancer Identified - also here
  6. July 15, 2007 - Potential new target for cancer found - also here, here
Background


Agricultural biotechnology

References:
  1. July 9, 2007 - Genetically Engineered Maize Is Resistant To Maize Streak Virus - also here
Background


Transfer RNA

References:
  1. July 9, 2007 - Study Goes 'Back to the Future' to Learn More About DNA Codes
Background


Vision and attention

References:
  1. July 10, 2007 - From The Corner Of The Eye: Paying Attention To Attention
Background


Speciation in plants

References:
  1. July 10, 2007 - Rapid Evolution Of Defense Genes In Plants May Produce Hybrid Incompatibility
Background


Evolutionary developmental biology of flowers

References:
  1. July 10, 2007 - Decoding The Evolution Of Flowers: From Genomes To Petals
Background


Sexual selection and biological diversity

References:
  1. July 10, 2007 - Best Males Have Less Successful Daughters
Background


Synthetic biology

References:
  1. July 11, 2007 - Countdown to a synthetic lifeform
Background


Butterfly mimicry

References:
  1. July 11, 2007 - Mimicry: Research Ends Debate Over Benefits Of Butterfly Defenses
Background


MicroRNA control of protein synthesis

References:
  1. July 11, 2007 - How MicroRNAs Control Protein Synthesis - also here
Background


EGFR and myelination

References:
  1. July 11, 2007 - Fundamental Protein Instrumental To Brain Development And Repair Identified
Background


Neutral genetic drift

References:
  1. July 11, 2007 - Neutral Evolution Has Helped Shape Our Genome - also here
Background


Computer prediction of protein function

References:
  1. July 11, 2007 - Researchers use new approach to predict protein function - also here
Background, Background


Early human ancestors

References:
  1. July 11, 2007 - Ethiopia yields ancestral fossils
Background


Brain-imaging studies

References:
  1. July 12, 2007 - You can forget the unhappy past: study
  2. July 12, 2007 - Bad memories can be supressed
  3. July 12, 2007 - Fuggedaboudit, or Remember - It Just Takes Practice
  4. July 12, 2007 - Research suggests brain can be trained to suppress bad memories
  5. July 13, 2007 - Scans reveal how we suppress traumatic memories
  6. July 13, 2007 - Learning to forget your unhappy past
  7. July 13, 2007 - Emotional Memories Can Be Suppressed With Practice, Study Says - also here
  8. July 13, 2007 - Feet That Know What Hands Are Doing
Background


Rapid butterfly evolution

References:
  1. July 12, 2007 - Samoa butterflies quickly evolve, avoid extinction
  2. July 12, 2007 - But Madame Butterfly, Where Are All the Males?
  3. July 14, 2007 - Natural Selection At Work In Dramatic Comeback Of Male Butterflies - also here
Background


Model of early evolution

References:
  1. July 12, 2007 - A First-principles Model Of Early Evolution - also here
Background, Background, Background


Macrophage filopodia

References:
  1. July 12, 2007 - A Stepwise Retreat: How Immune Cells Catch Pathogens - also here
Background


Cyanobacteria

References:
  1. July 12, 2007 - Piecing Together The Cyanobacteria Puzzle - also here
Background


Recent human genome evolution

References:
  1. July 12, 2007 - Evidence Of Very Recent Human Adaptation: Up To 10 Percent Of Human Genome May Have Changed - also here
Background


Adiponectin, appetite, and metabolism

References:
  1. July 12, 2007 - Insulin Sensitizer Also Serves As Energy-conserving Signal To The Brain - also here
Background


Micro RNA

References:
  1. July 12, 2007 - Ago2 and hematopoiesis
Background


Mitochondria and apoptosis

References:
  1. July 12, 2007 - Bak protein sets stressed cells on suicide path, researchers show - also here
Background


Short-term memory

References:
  1. July 12, 2007 - Short-term memory ability may predict IQ
  2. July 15, 2007 - Researchers Fine-tune Theories On How Short-term Memory Works
Background


Gene expression

References:
  1. July 12, 2007 - Cells take risks with their identities - also here
Background


Developmental biology of fruit flies

References:
  1. July 12, 2007 - Precision in fly patterning
  2. July 18, 2007 - Fruit fly research may 'clean up' conventional impressions of biology
Background


Neutrophils

References:
  1. July 13, 2007 - White Blood Cells Are Picky About Sugar - also here, here
Background


Mathematical modeling of embryo development

References:
  1. July 14, 2007 - New Data About The Laws Governing Embryo Development In Organisms Emerge - also here, here
Background, Background


Functions of non-coding DNA

References:
  1. July 15, 2007 - One Man's Junk May Be A Genomic Treasure - also here
Background



Health and medicine


Avian flu

References:
  1. July 9, 2007 - Six-year-old boy dies of bird flu in Indonesia - also here
  2. July 9, 2007 - Indonesian boy dies of bird flu-health ministry
  3. July 12, 2007 - Czechs confirm H5N1 bird flu at two more farms - also here
Background


Parkinson's disease

References:
  1. July 9, 2007 - Study finds smoking wards off Parkinson's disease - also here
  2. July 11, 2007 - Smoking Associated With Lower Parkinson's Disease Risk - also here
  3. July 11, 2007 - People With Early Parkinson's Report Hallucinations, Sleepiness
  4. July 11, 2007 - Two Distinct Parkinson's Networks Identified - also here
  5. July 14, 2007 - Hope for new Parkinson's therapy
Background


Diabetes

References:
  1. July 9, 2007 - Selenium supplements linked to diabetes in U.S. study
  2. July 9, 2007 - Pumpkin: A Fairytale End To Insulin Injections? - also here, here
  3. July 10, 2007 - New diabetes drug class effective, caution urged
  4. July 10, 2007 - Chemical In Brain Acts Like A Fuel Gauge
  5. July 10, 2007 - Cholesterol Drug Hits Diabetes With One-two Punch, Study Says - also here
  6. July 10, 2007 - Selenium Supplements Linked To Type 2 Diabetes
  7. July 11, 2007 - Anti-malarial drug may reduce risk of diabetes for patients with rheumatoid arthritis
  8. July 12, 2007 - Class Of Medications May Offer Alternative Option For Treating Type 2 Diabetes - also here
  9. July 12, 2007 - Drug Derived From Gila Monster Saliva Helps Diabetics Control Glucose, Lose Weight
  10. July 12, 2007 - Common Rheumatoid Arthritis Treatment Shows Potential For Diabetes Prevention - also here
  11. July 13, 2007 - Trimming the waist may trim diabetes, heart risks
  12. July 13, 2007 - Selenium Supplements Linked With Increased Risk For Diabetes In 8-year Study
  13. July 15, 2007 - New Gene Linked to Type 1 Diabetes in Children
  14. July 15, 2007 - Selenium Supplements May Increase The Risk Of Type 2 Diabetes - also here, here
  15. July 16, 2007 - Gene Discovered For Type 1 Diabetes In Children - also here
  16. July 16, 2007 - Type 1 diabetes gene found
Background


Prions

References:
  1. July 9, 2007 - Soil Particles Found To Boost Prion's Capacity To Infect
  2. July 10, 2007 - Study Advances Variant CJD Prion Detection
Background


Cardiovascular disease

References:
  1. July 9, 2007 - Blood Protein Offers Clues To Heart Attack In Seemingly Healthy People
  2. July 9, 2007 - Older Patients Reap Positive Benefits With High Dose Statins, Study Finds
  3. July 10, 2007 - New Heart Disease Risk Score Will Help Minimize Health Inequalities
  4. July 12, 2007 - Higher statin dose cuts heart risk in elderly
  5. July 12, 2007 - Newer beta-blocker doesn't up weight in diabetics
  6. July 12, 2007 - Viagra Boosts Heart Performance And May Save Lives, Study Suggests - also here
  7. July 13, 2007 - High Blood Pressure May Mask Potentially Deadly Heart Condition - also here
  8. July 13, 2007 - High blood pressure medication strategy proves effective in Hispanic women - also here
Background


Cancer

References:
  1. July 9, 2007 - Control Acid Reflux To Help Prevent Esophageal Cancer
  2. July 9, 2007 - Breast Cancers Is More Aggressive In African-American Women, Study Shows
  3. July 10, 2007 - Breast cancer drug backfires in rare cases
  4. July 10, 2007 - Cancer Risk In HIV, Transplant Patients
  5. July 10, 2007 - Analysis Confirms Benefits Of Combining Trastuzumab And Chemotherapy - also here
  6. July 10, 2007 - Sausage additive linked to cancer
  7. July 11, 2007 - Breast tumor genes no hinder to cancer survival
  8. July 11, 2007 - Scientists Follow Familiar 'TRAIL' To New Cancer Therapy
  9. July 11, 2007 - Tiny Tweezers And Yeast Help Explain How Cancer Drug Works - also here
  10. July 12, 2007 - Scientists Gain Important Insights Into Acute Promyelocytic Leukemia
  11. July 12, 2007 - Gene's Activity Points To More Lethal Subtype Of Acute Myeloid Leukemia
  12. July 12, 2007 - Cell Toxin Found To Inhibit Survival Proteins In Cancer Cells - also here, here
  13. July 13, 2007 - New breath test detects lung cancer - also here
  14. July 13, 2007 - Outcomes of breast cancer may be inherited
  15. July 13, 2007 - Temporary Improvement Of Tumor Blood Flow Can Improve Chemotherapy, Study Suggests - also here
  16. July 13, 2007 - Risks And Benefits Of Folic Acid Fortification Considered - also here
  17. July 13, 2007 - No Strong Link Between Tomatoes And Reduced Cancer Risk, FDA Finds - also here, here
  18. July 13, 2007 - Kaposi Sarcoma Arises Independently From Multiple Cells - also here
  19. July 13, 2007 - Antibody Retards Growth And Induces Death In Liver Cancer Cells - also here
  20. July 13, 2007 - Cancer Cures Could Work For Canines And Humans - also here
  21. July 13, 2007 - Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer - also here, here
Background


Cancer vaccines

References:
  1. July 9, 2007 - First brain cancer vaccine approved in Switzerland
  2. July 9, 2007 - Pioneering Treatment for Brain Cancer Gets Swiss Approval
Background, Background


Stem cells

References:
  1. July 9, 2007 - Insight Into Neural Stem Cells Has Implications For Designing Therapies - also here
  2. July 11, 2007 - Scientists Peer Into Stem Cells in Live Brain
  3. July 13, 2007 - Human Embryonic Stem Cells Are The Ultimate Perpetual Fuel Cell, Study Shows - also here
Background


Antibiotic resistance

References:
  1. July 9, 2007 - Antibiotic resistance countered
  2. July 10, 2007 - Disrupt an Enzyme, Destroy Drug-Resistant Superbugs
  3. July 10, 2007 - Battling bad germs
  4. July 12, 2007 - New Way To Target And Kill Antibiotic-resistant Bacteria Found - also here
Background


Fat metabolism

References:
  1. July 10, 2007 - Fat switch may offer new obesity approach: study - also here
  2. July 10, 2007 - Metabolic switch delivers healthy fat
  3. July 12, 2007 - Scientists Find Brown Fat Master Switch - also here
Background


Cancer drug delivery

References:
  1. July 10, 2007 - Bubbles deliver cancer drugs to tumors with a pop
  2. July 13, 2007 - Nanobubbles Deliver Targeted Cancer Drugs Using Ultrasound - also here
Background, Background


Alzheimer's disease

References:
  1. July 10, 2007 - New Risk Factors Discovered For Alzheimer's Disease
Background


Western diet and breast cancer risk

References:
  1. July 10, 2007 - Western diet ups breast cancer risk among Chinese - also here
  2. July 10, 2007 - Western diet linked to increased risk of breast cancer in postmenopausal Asian women - also here
  3. July 10, 2007 - Western diet risk to Asian women
  4. July 10, 2007 - Study links breast cancer to western diet in Chinese women
  5. July 10, 2007 - Study Reveals Diet's Heavy Role in Cancers
  6. July 12, 2007 - Cancer Risk Higher with Western Diet - also here, here, here
  7. July 13, 2007 - Western-style 'Meat-sweet' Diet Increases Risk Of Breast Cancer In Postmenopausal Women, Study Finds
  8. August 4, 2007 - Western diet linked to high risk of breast cancer - study
Background, Background


Gene therapy for cancer

References:
  1. July 11, 2007 - Gene Therapy Eradicates Pancreatic Cancer In Preclinical Trial - also here
Background, Background


AIDS

References:
  1. July 11, 2007 - Compound From Olive-pomace Oil Inhibits HIV Spread
  2. July 11, 2007 - How HIV Interferes With Infected Cell Division - also here
  3. July 13, 2007 - New treatment model for HIV - also here
Background


MicroRNA and psoriasis

References:
  1. July 12, 2007 - Small Molecules May Explain Psoriasis - also here, here
Background, Background


Protein marker of visceral fat

References:
  1. July 12, 2007 - New Blood Test Might Offer Early Warning Of Deep Belly Fat - also here
Background, Background


Stem cells and Parkinson's disease

References:
  1. July 13, 2007 - Neuroscientist Comments On Stem Cell Study's Success In Helping Primates With Parkinson's
Background, Background


Metabolic syndrome

References:
  1. July 13, 2007 - Drinking milk cuts diabetes risk
  2. July 13, 2007 - Boosting Key Milk Nutrients May Help Lower Type 2 Diabetes Risk - also here, here
  3. July 17, 2007 - Dairy lovers show lower metabolic syndrome risk
Background, Background, Background


Autism

References:
  1. July 14, 2007 - Autism 'has big impact on adults'
Background


Copyright © 2007 by Charles Daney, All Rights Reserved