Open Questions Chronicle

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

Volume 6, Number 20
May 14, 2007

Physical sciences and technology

Supernova SN 2006gy
'Solid' light
'Global search' of particle physics data
Robotics
Global warming
Quantum computing
Earthquakes
Optoelectronic tweezers
Ultrashort light pulses
Surface plasmons
Extrasolar planets
Dark matter and a 'fifth force'
Ultra high energy neutrinos
Baryonic dark matter
James Webb Space Telescope
Global carbon budget
Hydrogen storage
Novae
Superconductivity
Galactic collision remnants
Ancient stars
Fermion condensates
Release of CO2 from the ocean
'Short circuit' in ocean circulation
Higher density magnetic data storage
Higgs bosons
Cavity quantum electrodynamics
Spintronics
Single-molecule mass spectrometry system
Wave-particle duality

Life sciences

Bacterial quorum sensing
Cell movement
Integration of new neurons
Sex differences in human brains and behavior
Cancer biology
'Out of Africa' hypothesis
Opossum genome
Sexual selection
Neuropsin
Regulation of synaptic activity
Persistence of genetic diversity
Epigenetics
Intraspecies competition and agression in primates
DNA repair
Variation in human DNA
Memory molecules
Sexual dimorphism
Cell physics
Extremophiles
Carotenoids and longevity
Heritability of reasoning and memory ability

Health and medicine

Cancer drug delivery with 'mini-cells'
Dangers of advanced glycation end products in food
Stem cells
Tuberculosis
Neuroprotective effects of centrally-acting ACE inhibitors
Cancer
Crohn's disease
Nanotechnology and regenerative medicine
Alzheimer's disease
Antidepressants and neurogenesis
Best dietary fats for cardiovascular health
Protection against atherosclerosis risk from dietary fats
Aspirin as heart disease therapy
Cancer and stem cells
Diabetes
Benefits of napping
Genetics of bipolar disorder
Sleep deprivation and weight gain
Prions
Benefits of angioplasty over drug therapy for ischemia
Blood test for hospital mortality risk for heart failure
Omega-3 fatty acids
RSV vaccine
Genetics of recovery from heart attack
Mutations in immune system cells
Regulation of the heart's energy supply
Tissue engineering
Health benefits of whole grains
Genetics of autism risk
Papillomavirus vaccine
Hypertension
Internal fat
Parkinson's disease
Lupus
Immune system control of virus
AIDS
Avian flu
Antibiotics
Heartbeat regulation
Meditation and attention



Physical sciences and technology


Supernova SN 2006gy

References:
  1. May 7, 2007 - Did antimatter 'factory' spark brightest supernova?
  2. May 7, 2007 - Huge star explodes in brightest supernova yet seen
  3. May 7, 2007 - Star Goes Out Big Time
  4. May 7, 2007 - Astronomers Astonished by 'Monstrous' Star Explosion
  5. May 7, 2007 - The Largest Supernova Ever Recorded
  6. May 8, 2007 - Brightest supernova ever seen
  7. May 8, 2007 - NASA's Chandra Sees Brightest Supernova Ever - also here, here, here, here, here
  8. May 8, 2007 - Largest, brightest supernova ever seen may be long-sought pair-instability supernova
  9. May 8, 2007 - Star dies in monstrous explosion
  10. May 8, 2007 - Exploded Star the Brightest Ever Seen
  11. May 8, 2007 - Astronomers find extraordinary supernova
  12. May 8, 2007 - The biggest bang of them all
  13. May 8, 2007 - "Brightest Supernova" Reveals New Kind of Star Death
Background


'Solid' light

References:
  1. May 7, 2007 - Could Light Behave As A Solid? A New Theory
Background


'Global search' of particle physics data

References:
  1. May 8, 2007 - Particle physicists hunt for the unexpected
Background


Robotics

References:
  1. May 8, 2007 - 'Guessing' robots navigate faster
Background


Global warming

References:
  1. May 8, 2007 - Melting Of The Greenland Ice Cap May Have Consequences For Climatic Change - also here
  2. May 9, 2007 - Barents Sea getting warmer, losing ice
  3. May 10, 2007 - US temperatures 'could rise 10 degrees' by 2080
  4. May 10, 2007 - Summers Will Become Extremely Hot In The Future, NASA Predicts - also here, here
  5. May 10, 2007 - NASA study: Eastern U.S. to get hotter - also here, here, here
Background


Quantum computing

References:
  1. May 8, 2007 - Step Toward Quantum Computers? Scientists Propose A Simple And Economic Qbit Structure
Background


Earthquakes

References:
  1. May 8, 2007 - Hot Fluids and Deep Earthquakes
Background


Optoelectronic tweezers

References:
  1. May 8, 2007 - Optoelectronic Tweezers Push Nanowires Around
Background, Background


Ultrashort light pulses

References:
  1. May 8, 2007 - The Shortest Light Pulse Ever
Background


Surface plasmons

References:
  1. May 8, 2007 - Chilling out with polaritons
  2. May 9, 2007 - Silicon could open the way for new terahertz technology
Background, Background


Extrasolar planets

References:
  1. May 9, 2007 - NASA Finds Extremely Hot Planet, Makes First Exoplanet Weather Map - also here
  2. May 9, 2007 - Bizarre planet is hottest yet found
  3. May 9, 2007 - A Tale of Two Exoplanets: One Incredibly Hot, the Other Extremely Windy
  4. May 9, 2007 - Gassy planet is hottest; windy cousin is mapped
  5. May 9, 2007 - Densest, Hottest, Darkest
  6. May 9, 2007 - Scientists Map Weather on Distant World
  7. May 9, 2007 - Sizzling Planet Makes Some Stars Look Cool - also here
  8. May 9, 2007 - Distant Planet Mapped for First Time, "Hot Jupiter" Features Fierce Winds
  9. May 9, 2007 - Planet gallery
  10. May 9, 2007 - Scientists Create First Map of an Extrasolar Planet
  11. May 10, 2007 - Hottest planet has windy cousin
  12. May 10, 2007 - Professor finds that hottest measured extrasolar planet is 3700 degrees - also here
  13. May 10, 2007 - Extreme Winds Rule Exoplanet's Weather - also here
  14. May 11, 2007 - Mission Could Seek Out Spock's Home Planet - also here
Background


Dark matter and a 'fifth force'

References:
  1. May 9, 2007 - Hunt for fifth force focuses on Bullet Cluster
Background


Ultra high energy neutrinos

References:
  1. May 9, 2007 - Seabed particle hunt could shed light on the dawn of time
Background


Baryonic dark matter

References:
  1. May 10, 2007 - Galaxy collision reveals missing matter
Background


James Webb Space Telescope

References:
  1. May 10, 2007 - Hubble telescope successor on target
  2. May 10, 2007 - NASA touts aging Hubble telescope's successor
  3. May 11, 2007 - Hubble's successor will look like this
  4. May 11, 2007 - Nasa unveils Hubble's successor
  5. May 11, 2007 - Hubble Telescope's Successor Will Peer at Universe's Birth
  6. May 11, 2007 - Futuristic telescope to shed light on 'Dark Ages' of space
Background


Global carbon budget

References:
  1. May 10, 2007 - Understanding The Global Carbon Budget - also here
  2. May 11, 2007 - Confirmed: Deforestation Plays Critical Climate Change Role - also here
Background


Hydrogen storage

References:
  1. May 10, 2007 - Helping Make Hydrogen A Staple For Consumer Vehicles - also here
Background


Novae

References:
  1. May 10, 2007 - X-rays Provide A New Way To Investigate Exploding Stars - also here, here
Background


Superconductivity

References:
  1. May 10, 2007 - Lithium superconducts without pressure
Background


Galactic collision remnants

References:
  1. May 10, 2007 - 'Missing Mass' Found in Recycled Dwarf Galaxies
  2. May 10, 2007 - Tiny Galaxies Hide Dark Secret
Background


Ancient stars

References:
  1. May 10, 2007 - Ancient Star Nearly as Old as the Universe
  2. May 11, 2007 - Nearby Star Is A Galactic Fossil - also here
  3. May 11, 2007 - Spying on the oldest stars in the Universe
  4. May 14, 2007 - Galactic fossil is 13.2 billion years old
  5. May 18, 2007 - Oldest star by far
Background


Fermion condensates

References:
  1. May 10, 2007 - Fermions pair up without superfluidity
Background


Release of CO2 from the ocean

References:
  1. May 11, 2007 - Massive Carbon Dioxide Burps Came From Ocean At End Of Last Ice Age - also here, here
  2. May 11, 2007 - Ancient gas "burps" may hold future climate clues
  3. May 14, 2007 - Study Sheds Light on Earth's CO2 Cycles, Possible Impacts of Climate Change
  4. May 14, 2007 - Climate swings have brought great CO2 pulses up from the deep sea
Background, Background


'Short circuit' in ocean circulation

References:
  1. May 11, 2007 - 'Short-circuit' Found In Ocean Circulation - also here, here
Background


Higher density magnetic data storage

References:
  1. May 11, 2007 - 'Racetrack' memory could gallop past the hard disk
Background


Higgs bosons

References:
  1. May 11, 2007 - Is The Vacuum Empty? The Higgs Field And The Dark Energy - also here
Background, Background


Cavity quantum electrodynamics

References:
  1. May 11, 2007 - Mysteries And Surprises In Quantum Physics - also here
Background, Background


Spintronics

References:
  1. May 11, 2007 - Supercomputer Shows That Nanolayers Have Turning Sense - also here
Background


Single-molecule mass spectrometry system

References:
  1. May 12, 2007 - DNA Sieve: Nanoscale Pores Can Be Tiny Analysis Labs
Background


Wave-particle duality

References:
  1. May 12, 2007 - Shades of gray in particle-wave duality
Background



Life sciences


Bacterial quorum sensing

References:
  1. May 7, 2007 - Fighting Bacteria By Preventing Them From Talking To Each Other
Background


Cell movement

References:
  1. May 7, 2007 - How to steer a moving cell
Background


Integration of new neurons

References:
  1. May 8, 2007 - Newborn Neurons Like To Hang With The 'In' Crowd - also here, here
Background


Sex differences in human brains and behavior

References:
  1. May 8, 2007 - Sex On The Brain
Background


Cancer biology

References:
  1. May 8, 2007 - Cancer Cells 'Reprogram' Energy Needs To Grow And Spread, Study Suggests - also here, here
  2. May 8, 2007 - Targeting Sugar On Blood Vessels May Inhibit Cancer Growth
  3. May 9, 2007 - Immune Dysfunction In Melanoma Patients Identified
  4. May 11, 2007 - Researchers create model of cancer-preventing enzyme, study how it works - also here, here
Background


'Out of Africa' hypothesis

References:
  1. May 8, 2007 - DNA traces Aboriginal Australian history
  2. May 10, 2007 - New Research Confirms 'Out Of Africa' Theory Of Human Evolution
  3. May 12, 2007 - Aboriginals 'out of Africa' too
Background


Opossum genome

References:
  1. May 9, 2007 - Opossum genome sequence reveals mammal secrets
  2. May 9, 2007 - Humble opossum's genetic map sheds light on humans - also here
  3. May 9, 2007 - Opossum's Genome Is in the Bag
  4. May 9, 2007 - Tiny marsupial records DNA first
  5. May 9, 2007 - The awesome opossum gets sequenced
  6. May 10, 2007 - First marsupial genome sequenced
  7. May 10, 2007 - Opossum Genome Shows 'Junk' DNA Source Of Genetic Innovation
  8. May 10, 2007 - Researchers publish first marsupial genome sequence
  9. May 10, 2007 - Professor involved in genome sequencing of the first marsupial
Background


Sexual selection

References:
  1. May 9, 2007 - New Take On Sexual Signaling - also here
Background


Neuropsin

References:
  1. May 9, 2007 - Gene Mutation Linked To Cognition Is Found Only In Humans - also here
  2. May 12, 2007 - Gene variant may be responsible for human learning
Background


Regulation of synaptic activity

References:
  1. May 9, 2007 - SUMO Wrestling In The Brain - also here
Background, Background


Persistence of genetic diversity

References:
  1. May 9, 2007 - Survival Of The Rarest: Fruit Flies Shed Light On The Evolution Of Behavior - also here
Background


Epigenetics

References:
  1. May 9, 2007 - Researchers identify a process that enables access to genes
Background


Intraspecies competition and agression in primates

References:
  1. May 10, 2007 - Rivalry leaves its mark on primate brains
  2. May 11, 2007 - Brains Reflect Sex Differences
Background


DNA repair

References:
  1. May 10, 2007 - DNA Repair Proteins Monitored At Double-strand Break - also here, here
  2. May 11, 2007 - Lab Defines Proteins That Distinguish Chromosome Ends From DNA Double-strand Breaks - also here, here
Background


Variation in human DNA

References:
  1. May 10, 2007 - Cataloging The Structural Variations In Human Genetics - also here
Background


Memory molecules

References:
  1. May 10, 2007 - New Research Sheds Light On Memory By Erasing It - also here
Background


Sexual dimorphism

References:
  1. May 10, 2007 - Species Thrive When Sexual Dimorphism Broadens Their Niches - also here
Background


Cell physics

References:
  1. May 10, 2007 - Soft Matter and its Interface with Biology
Background


Extremophiles

References:
  1. May 11, 2007 - Bacteria Found In Tar Pits Live On Substances Contained In Asphalt - also here
  2. May 14, 2007 - Researchers learn why tar pits are bubbly
  3. May 17, 2007 - New bacteria discovered in tar pits
Background


Carotenoids and longevity

References:
  1. May 11, 2007 - Could Carrots Be The Secret To A Long Life And Sex Appeal? - also here
Background, Background


Heritability of reasoning and memory ability

References:
  1. May 12, 2007 - Parents pass on genes for reasoning and memory
Background, Background, Background



Health and medicine


Cancer drug delivery with 'mini-cells'

References:
  1. May 7, 2007 - 'Mini-cells' could stop side-effects of chemotherapy
  2. May 10, 2007 - Australian scientists directly target cancer cells - also here, here, here
Background, Background


Dangers of advanced glycation end products in food

References:
  1. May 7, 2007 - How food is prepared important to health: study
Background


Stem cells

References:
  1. May 7, 2007 - New Recipe for Powerful Stem Cells Promises Greater Insight
  2. May 7, 2007 - Embryonic stem cells can repair eyes, company says
  3. May 7, 2007 - Embryonic stemcells yield advance for blood cells, vascular damage
  4. May 8, 2007 - Stem cells yield fixes for vascular injuries
  5. May 11, 2007 - Bone Marrow Stem Cells May Cure Eye Disease - also here
Background


Tuberculosis

References:
  1. May 7, 2007 - Indian scientists identify troublemaker TB protein
  2. May 8, 2007 - Indian researchers show TB's secret weapon
Background


Neuroprotective effects of centrally-acting ACE inhibitors

References:
  1. May 7, 2007 - Some heart drugs may slow mental decline with age
  2. May 7, 2007 - Some Hypertension Drugs May Help Reduce Dementia Risk - also here
Background


Cancer

References:
  1. May 7, 2007 - Combination Treatment Stymies Breast Cancer Growth
  2. May 7, 2007 - Deficiency In Enzyme Delays Onset And Severity Of Lung Cancer In Mice
  3. May 7, 2007 - Statins associated with reduced lung cancer risk
  4. May 7, 2007 - Computer-aided detection with computed radiography effective in detecting breast cancer
  5. May 7, 2007 - PET-CT detects muscular lymphoma better than CT
  6. May 7, 2007 - Percutaneous radiofrequency ablation of liver tumors prove safe and effective
  7. May 7, 2007 - Cryoablation is a safe procedure for breast cancer patients, early results indicate
  8. May 7, 2007 - CT colonoscopy has 90 percent agreement rate with optical colonoscopy
  9. May 8, 2007 - Compound Effective Against Blood Cancer Reveals Its Secrets
  10. May 8, 2007 - MR Imaging Helps Predict Recurrence In Prostate Cancer Patients
  11. May 8, 2007 - Lymphocyte Count Found To Be A Predictor Of Survival For Young Patients With Leukemia - also here
  12. May 8, 2007 - Diabetes Drug Dramatically Boosts Power Of Platinum Chemotherapy - also here
  13. May 8, 2007 - A strand of hair may reveal cancer risk
  14. May 8, 2007 - Hepatitis C ups non-Hodgkin's lymphoma risk: study
  15. May 9, 2007 - Breast cancer in a test tube
  16. May 9, 2007 - Animal Study Identifies Promising New Target For Brain Tumor Therapy - also here, here
  17. May 9, 2007 - Combined Molecular-targeted And Hormonal Therapies Offer Promise In Treating Ovarian Cancer - also here
  18. May 9, 2007 - Hepatitis C Increases Risk Of Non-Hodgkin Lymphoma - also here
  19. May 9, 2007 - Risk of lymphoma increases with hepatitis C virus infection
  20. May 9, 2007 - Men less likely to survive early breast cancer
  21. May 9, 2007 - Combination HRT linked to lower-risk breast cancers
  22. May 9, 2007 - Study implicates protein as a trigger of advanced prostate cancer recurrence
  23. May 9, 2007 - Uveal melanoma patients at higher risk for colon cancer
  24. May 10, 2007 - Oral Sex Increases Risk Of Throat Cancer - also here
  25. May 10, 2007 - Oral sex linked to throat cancer
  26. May 10, 2007 - New HPV Vaccine Against Virus Responsible For Cervical Cancer Continues To Be Successful
  27. May 10, 2007 - Statins Shown To Prevent Lung Cancer
  28. May 10, 2007 - First Degree Relatives Of Patients With Lung Cancer Have Increased Cancer Risk
  29. May 10, 2007 - Dealing Deadly Cancers A Knockout Punch
  30. May 10, 2007 - Aspirin vs. colon cancer: study weighs benefits
  31. May 10, 2007 - Aspirin 'prevents bowel cancer'
  32. May 11, 2007 - FDG-PET Imaging Clearly Predicts Lung Cancer Patients' Response To Chemotherapy - also here
  33. May 11, 2007 - Use Of Swedish 'Snus' Is Linked To A Doubled Risk Of Pancreatic Cancer - also here
  34. May 11, 2007 - Lung cancer tied to family risk of other cancers - also here
  35. May 11, 2007 - Chemotherapy more effective when given before breast cancer surgery
  36. May 12, 2007 - Breast tumour drug target found
  37. May 13, 2007 - Cancer Virus' Genetic Targets Identified - also here, here
Background


Crohn's disease

References:
  1. May 7, 2007 - Smoking Influences Crohn's Disease
Background


Nanotechnology and regenerative medicine

References:
  1. May 7, 2007 - Nanotechnology May Be Used To Regenerate Tissues, Organs
Background, Background


Alzheimer's disease

References:
  1. May 7, 2007 - New Link Between Down Syndrome And Alzheimer's Disease
  2. May 9, 2007 - EEG Works at Spotting Early Alzheimer's - also here, here
  3. May 11, 2007 - Breakdown Of Myelin Implicated In Alzheimer's - also here
  4. May 11, 2007 - New therapeutic targets for neurodegenerative diseases
  5. May 11, 2007 - Can an omega-3 fatty acid slow the progression of Alzheimer's disease?
Background


Antidepressants and neurogenesis

References:
  1. May 7, 2007 - Antidepressants Stimulate New Nerve Cells In Adult Monkeys
Background


Best dietary fats for cardiovascular health

References:
  1. May 7, 2007 - Fish, Seafood Better Than Olive Oil, Nuts Against Heart Disease
Background, Background


Protection against atherosclerosis risk from dietary fats

References:
  1. May 8, 2007 - Animal research raises possibility of end to fat-free diets
  2. May 9, 2007 - Study sees possible end of fat-free diets
Background, Background


Aspirin as heart disease therapy

References:
  1. May 8, 2007 - Low aspirin dose best for heart disease prevention
  2. May 9, 2007 - Baby Aspirin Better For Your Health, Study Says - also here, here
  3. May 11, 2007 - Women may benefit less from aspirin for the heart
Background


Cancer and stem cells

References:
  1. May 8, 2007 - Unstable Leukemia Stem Cells May Predispose Patients To Drug Resistance
Background, Background


Diabetes

References:
  1. May 8, 2007 - The Stem Cells That Weren't There: Surprising Finding May Lead To New Diabetes Treatments - also here, here
  2. May 9, 2007 - Fat Screen Delivers Plant-derived Chemical With Antidiabetic Effects - also here
Background


Benefits of napping

References:
  1. May 8, 2007 - You Snooze, You Lose? Not True
Background


Genetics of bipolar disorder

References:
  1. May 8, 2007 - Genetic Roots Of Bipolar Disorder Revealed By First Genome-wide Study Of Illness - also here, here
Background


Sleep deprivation and weight gain

References:
  1. May 9, 2007 - Sleep-weight link depends on how sleep is defined
Background, Background


Prions

References:
  1. May 9, 2007 - Scientists Identify Prion's Infectious Secret - also here
  2. May 9, 2007 - Scientists Closer to Unfolding Mysteries of Prion Formation in Mad Cow Disease
Background


Benefits of angioplasty over drug therapy for ischemia

References:
  1. May 9, 2007 - Angioplasty best for "silent" heart attacks
  2. May 10, 2007 - Angioplasty Reduces Long-term Cardiac Risk Among Heart Patients With 'Silent' Ischemia - also here
Background


Blood test for hospital mortality risk for heart failure

References:
  1. May 9, 2007 - Blood Test Predicts Mortality In Hospitalized Heart Failure Patients, Says Researcher
Background


Omega-3 fatty acids

References:
  1. May 9, 2007 - Marine Omega-3 Fatty Acids Have Positive Effect On Muscle Mass, Study Shows - also here
Background


RSV vaccine

References:
  1. May 9, 2007 - New Vaccine Technology Should Protect Children From Common Respiratory Virus - also here
Background


Genetics of recovery from heart attack

References:
  1. May 10, 2007 - Gene switch helps mice fix their own broken hearts
Background


Mutations in immune system cells

References:
  1. May 10, 2007 - Genetic 'Shut Down' Trigger Discovered In Healthy Immune Cells - also here, here
Background


Regulation of the heart's energy supply

References:
  1. May 10, 2007 - Discovery Of Cellular Processes Which Regulate Heart's Energy Supply - also here
  2. May 10, 2007 - Global Heartbeat Control Suggests Therapy For Beating Heart Failure
Background


Tissue engineering

References:
  1. May 10, 2007 - Tissue Engineered Scaffolding Allows Reproduction Of Cartilage Tissue - also here
Background


Health benefits of whole grains

References:
  1. May 10, 2007 - Health Benefits Of Whole Grains Confirmed
Background, Background, Background


Genetics of autism risk

References:
  1. May 10, 2007 - Study Finds Regions Of DNA That Appear Linked To Autistic Spectrum Disorders - also here, here
Background


Papillomavirus vaccine

References:
  1. May 10, 2007 - New HPV Vaccine Against Virus Responsible For Cervical Cancer Continues To Be Successful - also here
  2. May 10, 2007 - Warts Vaccine: One Of Many In Pipeline - also here
Background


Hypertension

References:
  1. May 10, 2007 - Effectiveness of first renin inhibitor drug for treating hypertension is limited
  2. May 10, 2007 - New blood pressure drug found lacking
  3. May 11, 2007 - Scientists investigate a molecule for diagnosing hypertensive cardiopathy
Background


Internal fat

References:
  1. May 10, 2007 - Thin people may be fat inside, some doctors say - also here
Background


Parkinson's disease

References:
  1. May 10, 2007 - FDA OKs drug patch to treat Parkinson's
  2. May 11, 2007 - Researchers discover link between Parkinson's and narcolepsy - also here
Background


Lupus

References:
  1. May 11, 2007 - Lupus cluster at oilfield points finger at pollution
Background


Immune system control of virus

References:
  1. May 11, 2007 - Scientists Make Important Finding On Cytomegalovirus Transmission - also here
Background


AIDS

References:
  1. May 11, 2007 - Researchers Find A Peptide That Encourages HIV Infection - also here, here
Background


Avian flu

References:
  1. May 11, 2007 - New host species for avian influenza identified - also here
  2. May 13, 2007 - Second bird flu outbreak in May hits Vietnam ducks
  3. May 13, 2007 - Bangladesh culls more bird flu infected chickens
Background


Antibiotics

References:
  1. May 11, 2007 - Researchers discover how antibiotic inhibits bacterial growth
Background


Heartbeat regulation

References:
  1. May 11, 2007 - Slowing the racing heart - also here, here
Background


Meditation and attention

References:
  1. May 12, 2007 - Meditation training puts oomph into attention
Background


Copyright © 2007 by Charles Daney, All Rights Reserved