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Volume 10, Number 17
April 25, 2011


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

NASA astrophysics missions
Solar flares
Paleoclimatology
Square kilometer array
Effects of stellar rotation
Quantum physical tests of gravitation
Global warming
Extrasolar planets
Cosmic rays
Magnetars
Galaxy evolution
Experimental test of vanishing dimension hypothesis
Galaxy interactions
Coronal mass ejections
Sunspots
Pulsars
Gravity wave detection
Water on Mars
High-precision tests of gravity
James Webb Space Telescope
Beryllium and big bang nucleosynthesis
The ozone hole and climate change
Dark matter
e-MERLIN early universe map
Higgs boson
Large Hadron Collider
Supernovae in dwarf galaxies
Earthquakes
Antimatter

Technology

Single-electron transistors
Plasmonics and quantum dots
Graphene
Supercomputing
Superconductivity
Hydrogen storage
Metamaterials
Magnetic biosensor chip
Photovoltaics
High-density magnetic storage
Chemical computing
Guided matter waves
Fuel cells
Single-molecule magnets and data storage
Nanotechnology
Carbon nanotubes
T-carbon
Spintronics
Bionic prostheses

Life sciences

Sexual selection
Black plants
Australopithecus sediba
Sea squirts, telomerase, and aging
DNA repair
Phylogenetics of land plants
Speciation and extinctions of foraminifera
Auxin and embryonic plant development
Extremophiles
Encyclopedia of DNA elements
Right-handedness in human ancestry
Human intestinal enterotypes
G4 DNA and telomeres
Genetic regulation of heart size
Gene transcription
Commensal bacteria and the immune system
Alternative lengthening of telomeres
Genome evolution
RNA production and degradation dynamics

Neuroscience, psychology, and behavior

Antidepressants and neurogenesis
Schizophrenia
Antidepressants and BDNF
Bilingualism and aging
Sex differences in categorization
Dopaminergic genes and confirmation bias
Brain-imaging studies
Age-related decline in learning efficiency
Sex-dependence of effect of obesity on brain structure
Neuropsin, stress, and anxiety
Cultural differences in categorization and memory
Transcranial direct-current stimulation and learning
Self-identification neurons
Neuronal transporters
N-cadherin and cell migration in the cerebral cortex

Health and medicine

Cardiovascular disease therapy
AIDS
Obesity
Multiple sclerosis
Cancer
Cardiovascular disease
Diabetes
Antibiotics
Alzheimer's disease
Nanobiotechnology
Cancer biology
Inflammation, microRNA, and cancer
Calorie restriction
Parkinson's disease
Inflamatory bowel disease
Malaria



Physical sciences


NASA astrophysics missions

References:
  1. April 18, 2011 - NASA pulls out of astrophysics missions
  2. April 19, 2011 - Space Mission to Hunt Gravity Waves Shuts Down Over NASA Funding Shortage
Background


Solar flares

References:
  1. April 18, 2011 - Magnetic Field Determines Whether Solar Flares Erupt or Fizzle
  2. April 19, 2011 - Plasmoids and sheaths mean success or failure for solar eruptions
  3. April 20, 2011 - Solar flare was sparked by five spinning sunspots
  4. April 21, 2011 - Rotating sunspots spin up a super solar flare
Background


Paleoclimatology

References:
  1. April 18, 2011 - Rings Reveal Extensive Yearly Climate Record - also here
  2. April 18, 2011 - New research shows using leaves' characteristics improves accuracy measuring past climates
  3. April 21, 2011 - Team studies Earth's recovery from prehistoric global warming - also here
Background


Square kilometer array

References:
  1. April 18, 2011 - Probing the cosmos for signs of life
Background, Background


Effects of stellar rotation

References:
  1. April 18, 2011 - Zoom-up star photos poke holes in century-old astronomical theory
Background


Quantum physical tests of gravitation

References:
  1. April 18, 2011 - Probing the laws of gravity: A gravity resonance method
Background


Global warming

References:
  1. April 18, 2011 - Arctic coasts on the retreat
  2. April 18, 2011 - Melting sea ice leaves Arctic vulnerable to erosion
  3. April 20, 2011 - Melting ice on Arctic islands a major player in sea level rise
  4. April 20, 2011 - Canada's northern islands melting
  5. April 20, 2011 - Scientists: Soot may be key to rapid Arctic melt - also here
  6. April 22, 2011 - Salt clouds relieve some Arctic warming
  7. April 22, 2011 - Effect of cloud-scattered sunlight on Earth's energy balance depends on wavelength of light - also here
  8. April 22, 2011 - Global warming doesn't mean the end of winter
Background


Extrasolar planets

References:
  1. April 18, 2011 - New Radio Wave Technique Could Detect Alien Planets
  2. April 19, 2011 - Astronomers can tune in to radio auroras to find exoplanets
  3. April 19, 2011 - The shocking environment of hot Jupiters
  4. April 19, 2011 - Some Alien Planets May Be Like Saturn's Moon Titan
  5. April 19, 2011 - Hottest Known Planet May Use Shock Wave to Save Atmosphere
  6. April 21, 2011 - Alien Auroras to Aid Hunt for New Planets?
  7. April 22, 2011 - Alien World's Fast Orbit Creates Shock Waves
Background


Cosmic rays

References:
  1. April 18, 2011 - LHCf sheds new light on cosmic rays
Background


Magnetars

References:
  1. April 19, 2011 - Magnetar star crusts revealed by X-ray emissions
Background


Galaxy evolution

References:
  1. April 20, 2011 - Large galaxies stopped growing 7 billion years ago - also here
  2. April 21, 2011 - New theory of evolution for spiral galaxy arms
  3. April 21, 2011 - Astronomers find 'smoking gun' of compact galaxy formation
Background


Experimental test of vanishing dimension hypothesis

References:
  1. April 20, 2011 - Primordial weirdness: Did the early universe have 1 dimension?
  2. April 22, 2011 - Did the Universe Begin As a Simple 1-D Line?
Background, Background


Galaxy interactions

References:
  1. April 20, 2011 - A disturbed galactic duo
Background


Coronal mass ejections

References:
  1. April 20, 2011 - Scientists see solar outburst in exquisite detail
Background


Sunspots

References:
  1. April 20, 2011 - Watching the birth of a sunspot
Background


Pulsars

References:
  1. April 20, 2011 - School students help astronomers study mysterious X-ray source
Background


Gravity wave detection

References:
  1. April 20, 2011 - Tuning in to gravity
Background


Water on Mars

References:
  1. April 21, 2011 - Mars Orbiter Finds Massive Stores of Buried Dry Ice
  2. April 21, 2011 - Atmosphere's worth of dry ice found at Mars south pole
  3. April 21, 2011 - Newfound cache of frozen carbon dioxide could periodically thicken Red Planet's atmosphere
  4. April 21, 2011 - Dry ice lake suggests Mars once had a 'Dust Bowl'
  5. April 22, 2011 - Dramatic changes in Mars' atmosphere found
  6. April 23, 2011 - Massive Martian Dry-Ice Deposit May Explain How Planet Used to Have Watery Surface
  7. April 28, 2011 - Dry ice on Mars
Background


High-precision tests of gravity

References:
  1. April 21, 2011 - Bouncing neutrons may allow for high-precision tests of gravity
Background


James Webb Space Telescope

References:
  1. April 21, 2011 - Mirror Image
Background


Beryllium and big bang nucleosynthesis

References:
  1. April 21, 2011 - Primordial beryllium could reveal insights into the Big Bang
Background


The ozone hole and climate change

References:
  1. April 21, 2011 - New study links ozone hole to climate change all the way to the equator
Background


Dark matter

References:
  1. April 21, 2011 - Astronomers peer into the dark
Background


e-MERLIN early universe map

References:
  1. April 21, 2011 - e-MERLIN set to give wizard new view of Hubble Deep Field region
Background


Higgs boson

References:
  1. April 22, 2011 - Rumor: LHC Sees Hint of the Higgs Boson
  2. April 22, 2011 - Has the LHC found a hint of the Higgs boson?
  3. April 22, 2011 - Scientists Abuzz Over Controversial Rumor that Higgs Boson Has Been Detected
  4. April 25, 2011 - Spokeswoman quashes Higgs particle rumor
  5. April 25, 2011 - Overexcited Rumors of LHC Higgs Boson Discovery
  6. April 25, 2011 - Another Higgs rumor reminds us how science is correctly done
  7. April 26, 2011 - Higgs particle speculation said premature
  8. April 26, 2011 - Things that go bump in the night
  9. April 26, 2011 - CERN physics lab downplays claim of key discovery - also here
Background


Large Hadron Collider

References:
  1. April 22, 2011 - LHC sets world record beam intensity - also here, here
  2. April 23, 2011 - CERN atom smasher sets new record
  3. April 26, 2011 - Large Hadron Collider breaks beam intensity record again
  4. May 2, 2011 - CERN collider achieves record collision rate
Background


Supernovae in dwarf galaxies

References:
  1. April 22, 2011 - Ultraviolet spotlight on plump stars in tiny galaxies
Background, Background


Earthquakes

References:
  1. April 22, 2011 - Geoscientists improve modeling of San Andreas fault
Background


Antimatter

References:
  1. April 24, 2011 - April seems to be international anti-matter month
  2. April 24, 2011 - Antihelium-4: Physicists nab new record for heaviest antimatter
  3. April 24, 2011 - US scientists get glimpse of antihelium
  4. April 25, 2011 - World's biggest antimatter nucleus produced at Brookhaven
  5. April 25, 2011 - Anti-Helium Produced
  6. April 25, 2011 - Rice-born detector finds heaviest antimatter - also here
  7. April 25, 2011 - Antihelium-4: New Record For Heaviest Antimatter
  8. May 5, 2011 - Observing antimatter helium-4
Background



Technology


Single-electron transistors

References:
  1. April 18, 2011 - Researchers create super-small transistor, artificial atom powered by single electrons - also here
Background, Background, Background


Plasmonics and quantum dots

References:
  1. April 18, 2011 - Berkeley Lab Researchers Find Plasmonic Resonances in Semiconductor Nanocrystals - also here
  2. April 18, 2011 - Early detection
Background, Background


Graphene

References:
  1. April 18, 2011 - Researchers pinpoint graphene's varying conductivity levels
  2. April 20, 2011 - A breakthrough on paper that's stronger than steel
Background


Supercomputing

References:
  1. April 18, 2011 - Jaguar supercomputer harnesses heat for fusion energy
  2. April 18, 2011 - Venerable early Jaguar system retires
  3. April 19, 2011 - Supercomputer cracks 'impossible' calculation
  4. April 22, 2011 - SDSC to Venture Capitalists: Data-Intensive Supercomputing is Here
Background


Superconductivity

References:
  1. April 18, 2011 - Ferromagnetism plus superconductivity
  2. April 22, 2011 - 25 years on, the search for higher-temp superconductors continues
Background


Hydrogen storage

References:
  1. April 19, 2011 - On the way to hydrogen storage?
Background


Metamaterials

References:
  1. April 19, 2011 - Miniature invisibility 'carpet cloak' hides more than its small size implies
Background


Magnetic biosensor chip

References:
  1. April 19, 2011 - New biosensor microchip could speed up drug development
Background


Photovoltaics

References:
  1. April 19, 2011 - Collecting the sun's energy: Novel electrode for flexible thin-film solar cells
Background


High-density magnetic storage

References:
  1. April 19, 2011 - '3-D towers' of information double data storage areal density - also here
Background


Chemical computing

References:
  1. April 19, 2011 - Chemical computers solve shapely puzzles
Background


Guided matter waves

References:
  1. April 20, 2011 - Scientists make quantum breakthrough
Background


Fuel cells

References:
  1. April 21, 2011 - Say hello to cheaper hydrogen fuel cells: Scientists document utility of non-precious-metal catalysts
Background


Single-molecule magnets and data storage

References:
  1. April 21, 2011 - Breakthrough in the search for the holy grail for data storage - also here
Background


Nanotechnology

References:
  1. April 21, 2011 - Limit to nanotechnology mass-production?
Background


Carbon nanotubes

References:
  1. April 21, 2011 - Researchers create functioning synapse using carbon nanotubes
Background


T-carbon

References:
  1. April 22, 2011 - New carbon allotrope could have a variety of applications
Background


Spintronics

References:
  1. April 22, 2011 - Titanium oxide doped with cobalt produces magnetic properties at room temperature
Background


Bionic prostheses

References:
  1. April 22, 2011 - Bionic leg undergoing clinical trials
Background



Life sciences


Sexual selection

References:
  1. April 18, 2011 - Size doesn't always matter for peacocks
  2. April 19, 2011 - Quick Feet Impress Females
  3. April 26, 2011 - New experiments may reconcile conflicting studies regarding the peacock's allure
  4. April 27, 2011 - Male Peacock Feathers May Have Lost Their Sexy
Background


Black plants

References:
  1. April 18, 2011 - Worlds With Two Suns May Sport Black Plants
  2. April 18, 2011 - Planets With Two Suns Could Grow Black Trees
  3. April 19, 2011 - Alien Trees Would Bloom Black on Worlds With Double Stars
  4. April 19, 2011 - Earth-like planets could grow black trees
  5. April 19, 2011 - Could black trees blossom in a world with two suns?
  6. April 21, 2011 - Plants like we have never seen them before
Background


Australopithecus sediba

References:
  1. April 18, 2011 - Possibly pivotal human ancestor debated - also here
  2. April 19, 2011 - Four Individuals Caught in 'Death Trap' May Shed Light on Human Ancestors
  3. April 20, 2011 - Australopithecus Sediba could be direct ancestor of Homo
Background


Sea squirts, telomerase, and aging

References:
  1. April 18, 2011 - Marine organisms with eternal life can solve the riddle of aging - also here
Background


DNA repair

References:
  1. April 18, 2011 - Safeguarding genome integrity through extraordinary DNA repair - also here
  2. April 20, 2011 - Nature's elegant solution to repairing DNA in cancer, other conditions - also here
Background


Phylogenetics of land plants

References:
  1. April 18, 2011 - Ancestors of land plants revealed
Background, Background


Speciation and extinctions of foraminifera

References:
  1. April 18, 2011 - Plankton fossils tell tale of evolution and extinction
Background


Auxin and embryonic plant development

References:
  1. April 18, 2011 - Plant hormone auxin triggers a genetic switch
Background


Extremophiles

References:
  1. April 19, 2011 - A Roadmap for Stalking Extremophiles
Background


Encyclopedia of DNA elements

References:
  1. April 19, 2011 - Decoding human genes is the goal of a new open-source encyclopedia
Background


Right-handedness in human ancestry

References:
  1. April 19, 2011 - New research suggests right-handedness prevailed 500,000 years ago - also here
  2. April 27, 2011 - Most Neandertals were right-handers - also here
Background


Human intestinal enterotypes

References:
  1. April 20, 2011 - Gut study divides people into three types
  2. April 20, 2011 - Gut bacteria come in three flavors
  3. April 20, 2011 - What's your gut type? - also here
  4. April 20, 2011 - Gut-Bacteria Mapping Finds Three Global Varieties
  5. April 20, 2011 - Does Your Intestinal Bacteria Type Determine How Well Medicines Work?
  6. April 20, 2011 - Each human has one of only three gut ecosystems
  7. April 21, 2011 - New 'types' of human gut bacteria found
  8. April 21, 2011 - Three 'types' of human gut bacteria found
Background


G4 DNA and telomeres

References:
  1. April 20, 2011 - Ends of chromosomes protected by stacked, coiled DNA caps - also here
Background


Genetic regulation of heart size

References:
  1. April 21, 2011 - Two signaling pathways interact to constrain the mammalian heart's ability to self-renew
Background


Gene transcription

References:
  1. April 21, 2011 - Scientists observe single gene activity in living cells - also here
Background


Commensal bacteria and the immune system

References:
  1. April 21, 2011 - Learning to tolerate our microbial self
Background, Background


Alternative lengthening of telomeres

References:
  1. April 21, 2011 - A new ending to an old 'tail'
Background


Genome evolution

References:
  1. April 22, 2011 - Evolution can cause a rapid reduction in genome size
Background


RNA production and degradation dynamics

References:
  1. April 24, 2011 - RNA dynamics deconstructed: Technique offers detailed view of how RNA levels change
Background



Neuroscience, psychology, and behavior


Antidepressants and neurogenesis

References:
  1. April 18, 2011 - Anti-depressants boost brain cells after injury in early studies
Background


Schizophrenia

References:
  1. April 18, 2011 - L-lysine may help schizophrenia sufferers cope
Background


Antidepressants and BDNF

References:
  1. April 18, 2011 - New drug offers hope for depression
Background


Bilingualism and aging

References:
  1. April 18, 2011 - How the bilingual brain copes with aging
Background


Sex differences in categorization

References:
  1. April 18, 2011 - New research shows men tend to leap to judgement where women see more shades of grey
Background, Background


Dopaminergic genes and confirmation bias

References:
  1. April 19, 2011 - Refuse to learn from experience? Thank your genes
  2. April 19, 2011 - Genes May Affect Whether People Heed Advice
  3. April 19, 2011 - Advice vs. experience: Genes predict learning style - also here
  4. April 21, 2011 - Genes May Influence How Often People Follow Bad Advice
Background


Brain-imaging studies

References:
  1. April 19, 2011 - Swapping 'dance partners' in the brain is key to learning
  2. April 19, 2011 - Predicting learning using brain analysis
  3. April 20, 2011 - Functional MRI shows how mindfulness meditation changes decision-making process
  4. April 20, 2011 - Meditation makes people more rational decision-makers
  5. April 21, 2011 - Meditation may help the brain 'turn down the volume' on distractions
Background


Age-related decline in learning efficiency

References:
  1. April 19, 2011 - Spring-cleaning the mind? Study shows a cluttered brain doesn't remember
Background


Sex-dependence of effect of obesity on brain structure

References:
  1. April 19, 2011 - Effects of obesity on the brain: first evidence of sex-related differences
Background, Background


Neuropsin, stress, and anxiety

References:
  1. April 20, 2011 - Neuroscientists discover new 'chemical pathway' in the brain for stress
  2. April 21, 2011 - Anxiety linked to brain chemical
Background


Cultural differences in categorization and memory

References:
  1. April 20, 2011 - Study may help explain cultural differences in forming memory
Background


Transcranial direct-current stimulation and learning

References:
  1. April 21, 2011 - DARPA takes new look at electrical brain stimulation to aid in learning
Background, Background


Self-identification neurons

References:
  1. April 22, 2011 - Distinguishing yourself from others
Background


Neuronal transporters

References:
  1. April 24, 2011 - Molecular movements of neural transporters unveiled
Background, Background


N-cadherin and cell migration in the cerebral cortex

References:
  1. April 24, 2011 - Brain cell migration during normal development may offer insight on how cancer cells spread
Background, Background



Health and medicine


Cardiovascular disease therapy

References:
  1. April 18, 2011 - Pumped-Up Blood Vessels May Be the Key to Healing Damaged Hearts
Background, Background


AIDS

References:
  1. April 18, 2011 - FHI to Initiate Orderly Closure of FEM-PrEP
  2. April 18, 2011 - AIDS pill shows no promise in Africa; study halted
  3. April 19, 2011 - Disappointment and surprise as promising HIV drug falters
  4. April 19, 2011 - Promising HIV Strategy Falls Short
  5. April 19, 2011 - Promising Drug to Prevent HIV Fails in Trial - But It's Not Out of the Picture
  6. April 20, 2011 - How TRIM5 fights HIV
Background


Obesity

References:
  1. April 18, 2011 - Mother's diet during pregnancy alters baby's DNA
  2. April 19, 2011 - Can a Mother's Pregnancy Diet Influence Her Child's Future Weight?
  3. April 19, 2011 - Pregnant mothers' diet linked to child obesity
  4. April 22, 2011 - Why Skinny Moms Sometimes Produce Fat Children
  5. April 22, 2011 - Do Low-Carb Diets During Pregnancy Lead to Fatter Kids?
Background


Multiple sclerosis

References:
  1. April 18, 2011 - Scientists develop compound that effectively halts progression of multiple sclerosis
  2. April 24, 2011 - Blocking crucial molecule could help treat multiple sclerosis
Background


Cancer

References:
  1. April 18, 2011 - Breakthroughs help brain surgeons remove nearly all of a tumor, raise survival rates
  2. April 18, 2011 - A joint tumor marker in man and dog
  3. April 18, 2011 - Ovarian cancer starts elsewhere: study - also here
  4. April 19, 2011 - Cell of origin for squamous cell carcinoma discovered
  5. April 19, 2011 - Protein KO stops tumour growth
  6. April 19, 2011 - Biophysicist targeting IL-6 to halt breast, prostate cancer
  7. April 19, 2011 - The role that alcohol drinking may play in the risk of cancer
  8. April 19, 2011 - Decoding cancer patients' genomes is powerful diagnostic tool
  9. April 20, 2011 - Cheaper genome-sequencing to fight cancer
  10. April 20, 2011 - US approves Swiss firm's cervical cancer test
  11. April 21, 2011 - Israeli engineers build artificial device capable of detecting cancer in breath
  12. April 21, 2011 - Head and neck cancer -- what you need to know
  13. April 22, 2011 - New radioisotope will improve cancer therapy
Background


Cardiovascular disease

References:
  1. April 18, 2011 - Dietary, lifestyle changes can significantly reduce triglycerides
  2. April 19, 2011 - Calcium boosts risk of heart attack, stroke for women, study finds
  3. April 20, 2011 - Study adds weight to link between calcium supplements and heart problems
Background


Diabetes

References:
  1. April 18, 2011 - Research shows Type-2 diabetes may have an immune system link
  2. April 18, 2011 - Elderly diabetes patients with very low glucose levels have slightly increased risk of death
  3. April 21, 2011 - Subset of self-destructive immune cells may selectively drive diabetes
Background


Antibiotics

References:
  1. April 18, 2011 - Researchers discover general recipe for making antimicrobial agents that kill bacteria
Background


Alzheimer's disease

References:
  1. April 18, 2011 - 'Bird brains' are smart on Alzheimer's
  2. April 19, 2011 - Emphasis on Earlier Diagnosis in New Alzheimer's Guidelines
  3. April 19, 2011 - Early Detection of Alzheimer's Seems to Be Possible
  4. April 19, 2011 - Alzheimer's diagnostic guidelines updated for first time in decades
  5. April 19, 2011 - Alzheimer's Cases Could Double With New Guidelines: Expert
  6. April 19, 2011 - New guidelines define pre-Alzheimer's disease - also here
  7. April 21, 2011 - Early warning system for Alzheimer's disease
Background


Nanobiotechnology

References:
  1. April 18, 2011 - Boosting medicine with nanotechnology to destroy cancers
  2. April 20, 2011 - Researchers construct RNA nanoparticles to safely deliver long-lasting therapy to cells - also here
  3. April 20, 2011 - New research moves nanomedicine one step closer to reality
  4. April 22, 2011 - DNA nanoparticles to carry drugs and gene therapy
Background


Cancer biology

References:
  1. April 19, 2011 - Cancer theory faces doubts
  2. April 21, 2011 - Immortality of all cancer cells exposed as a myth
Background


Inflammation, microRNA, and cancer

References:
  1. April 19, 2011 - Study shows how inflammation can lead to cancer
Background, Background, Background


Calorie restriction

References:
  1. April 19, 2011 - Extreme dieting: does it lead to longer lives?
Background, Background


Parkinson's disease

References:
  1. April 20, 2011 - Toward new medications for chronic brain diseases
Background


Inflamatory bowel disease

References:
  1. April 20, 2011 - C. difficile increases risk of death 6-fold in patients with inflammatory bowel disease
Background


Malaria

References:
  1. April 21, 2011 - EPO doping helps combat cerebral malaria
Background


Copyright © 2011 by Charles Daney, All Rights Reserved