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Volume 9, Number 52
December 27, 2010


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

Ocean acidification and the nitrogen cycle
Extrasolar planets
Active galaxies
Dark energy
Stellar magnetic fields
Titan ice volcanoes
Quantum chromodynamics
Global warming
Massive star formation
Enceladus
e-Merlin radio telescope array
Black holes
Starburst galaxies
Superplasticity of mantle minerals

Technology

Metamaterials
DNA sequencing
Carbon nanotubes
Photonic solitons
Quantum dots
10 eV ultraviolet laser
Quantum information
X-ray free electron lasers
Hydrogen production
Racetrack memory
Spintronics
Quantum computing
Nanotechnology
Microfluidics

Life sciences

Neanderthals
Innate immunity, neutrophils, NF-κB, and IL-1β
Brown fat progenitor cells
Fruit fly embryogenesis
Denisovan human relatives
ModENCODE genomics project
Earliest metazoans
Sex-reversed mice
Recycling of signaling receptors
Ribosome synthesis
Aging and the mTORC1 pathway
Hematopoiesis and B cell development
Mammalian Promoter Database
Commensal bacteria and immunity
Anti-aging properties of growth hormone-releasing hormone antagonist
Transmission of epigenetic information to offspring
Plasmacytoid dendritic cells
Human complement system
Wnt and regulation of protein stability
Hsp90, environmental stress, and evolutionary change
AMPK and autophagy
Essential function of modern fruit fly genes

Neuroscience, psychology, and behavior

Brain-imaging studies
Circuits for visual motion detection
Autism
Olfaction
Inflammation and depression
Evolutionary psychology of shopping
Synapse validation
Stess and memory
Schizophrenia
Placebo effect
Stress-induced illness
Memory and mental preplay
Alcohol-induced impulsivity
Leptin and puberty onset
Canine vocabulary capacity
Theory of mind
Brain development and regulation of BMP signaling
Amygdala size and sociability

Health and medicine

Cancer
Cancer biology
Psoriasis
Nanobiotechnology
Malaria
Cardiovascular disease
Diabetes
AIDS
Vaccines
Alzheimer's disease
Stem cells and cancer
Obesity
Dietary patterns and mortality
Multiple sclerosis
Dementia
Tuberculosis
Stem cells
Avian flu
Antioxidants for inflammation and insulin resistance
Strokes and consumption of fried fish



Physical sciences


Ocean acidification and the nitrogen cycle

References:
  1. December 20, 2010 - Ocean acidification may disrupt the marine nitrogen cycle
  2. December 20, 2010 - Ocean acidification changes nitrogen cycling in world seas - also here
  3. December 21, 2010 - Acidifying Oceans Could Upset Life's Nitrogen Cycles
  4. December 22, 2010 - Will Ocean Acidification Muck Up the Marine Nitrogen Cycle?
Background, Background


Extrasolar planets

References:
  1. December 20, 2010 - Volunteers to hunt for 'lost planets'
  2. December 20, 2010 - Alien Planet May Be in Habitable Zone After All
Background


Active galaxies

References:
  1. December 20, 2010 - How often do giant black holes become hyperactive?
  2. December 22, 2010 - Images Reveal Clues to Universe's Friskiest Black Holes
Background


Dark energy

References:
  1. December 20, 2010 - Chameleon model tries to explain the origin of dark energy
  2. December 24, 2010 - Statistical modeling could help us understand cosmic acceleration
Background


Stellar magnetic fields

References:
  1. December 20, 2010 - Magnetic fields on O-Class stars
  2. December 22, 2010 - A New class for Tau Scorpii
Background


Titan ice volcanoes

References:
  1. December 20, 2010 - Image: Sotra Facula, Titan
Background


Quantum chromodynamics

References:
  1. December 20, 2010 - Combining two approaches to the strong force
Background


Global warming

References:
  1. December 20, 2010 - Global Rivers Emit Three Times IPCC Estimates of Greenhouse Gas Nitrous Oxide
  2. December 21, 2010 - Biting winters driven by global warming: scientists
Background


Massive star formation

References:
  1. December 21, 2010 - The universe's most massive stars can form in near isolation, new study finds
  2. December 23, 2010 - No Nursery Needed: Some Massive Stars Seem to Be Born Alone
Background


Enceladus

References:
  1. December 21, 2010 - Close-Up of Enceladus Northern Hemisphere taken by Cassini
  2. December 22, 2010 - Cassini skims over Saturn moon's northern hemisphere
Background


e-Merlin radio telescope array

References:
  1. December 21, 2010 - Black Hole Spews Jets in New Telescope's First Image
Background, Background


Black holes

References:
  1. December 22, 2010 - Superhero move may save black holes from nakedness
Background


Starburst galaxies

References:
  1. December 23, 2010 - Where stars are born - also here
Background, Background


Superplasticity of mantle minerals

References:
  1. December 24, 2010 - Superplastic mantle minerals
Background



Technology


Metamaterials

References:
  1. December 20, 2010 - Researchers discover Mobius symmetry in metamaterials
Background


DNA sequencing

References:
  1. December 20, 2010 - Your genome in minutes: New nanotechnology could slash sequencing time
  2. December 22, 2010 - DNA tags let us sequence the genome from a single parent
Background


Carbon nanotubes

References:
  1. December 20, 2010 - 'Molecular torch' between carbon nanotubes emits electroluminescence
  2. December 20, 2010 - NASA nanotube paint is 'blacker than black'
  3. December 21, 2010 - Nanotubes behave as optical antennae
Background


Photonic solitons

References:
  1. December 20, 2010 - Generation of light bullets
Background


Quantum dots

References:
  1. December 21, 2010 - Quantum dots are not dots: physicists
  2. December 24, 2010 - Packing electrons in a nano box: Control of many-Body correlation by quantum confinement
Background


10 eV ultraviolet laser

References:
  1. December 21, 2010 - Jefferson Lab laser twinkles in rare color
Background


Quantum information

References:
  1. December 22, 2010 - Qubit in a nanowire
Background


X-ray free electron lasers

References:
  1. December 22, 2010 - Dutch researchers build affordable alternative to mega-laser X-FEL
Background


Hydrogen production

References:
  1. December 23, 2010 - New hardware uses concentrated solar to produce hydrogen
Background


Racetrack memory

References:
  1. December 23, 2010 - Electric Currents Move Racetrack Memory Bits with Precision
  2. December 23, 2010 - Scientific discovery moves racetrack memory closer to reality
  3. December 27, 2010 - Super Memory Breakthrough: Store Every Movie Made This Year on Your Phone (With Room to Spare)
Background


Spintronics

References:
  1. December 23, 2010 - Researchers develop first high-temperature spin-field-effect transistor
Background


Quantum computing

References:
  1. December 23, 2010 - Better control of building blocks for quantum computer
Background


Nanotechnology

References:
  1. December 24, 2010 - World's first diamond nanoelectromechanical switch
Background


Microfluidics

References:
  1. December 26, 2010 - Microfluidic device rapidly orients hundreds of embryos for high-throughput experiments
Background



Life sciences


Neanderthals

References:
  1. December 20, 2010 - Grisly Scene Gives Clues to Neandertal Family Structure
  2. December 22, 2010 - Neandertal relative bred with humans
Background


Innate immunity, neutrophils, NF-κB, and IL-1β

References:
  1. December 20, 2010 - Researchers discover human immune system has emergency backup plan
Background


Brown fat progenitor cells

References:
  1. December 20, 2010 - Study identifies cells that give rise to brown fat
Background


Fruit fly embryogenesis

References:
  1. December 21, 2010 - Fruit fly study digs deeper into poorly understood details of forming embryos
Background


Denisovan human relatives

References:
  1. December 22, 2010 - Fossil genome reveals ancestral link
  2. December 22, 2010 - Finger Points to New Type of Human
  3. December 22, 2010 - Ancient humans, dubbed 'Denisovans', interbred with us
  4. December 22, 2010 - Fossil Finger DNA Points to New Type of Human
  5. December 22, 2010 - Another case of early human interbreeding confirmed in Siberia
  6. December 22, 2010 - New Type of Ancient Human Found - Descendants Live Today?
  7. December 22, 2010 - Fossil finger bone yields genome of a previously unknown human relative
  8. December 22, 2010 - Genome of Extinct Siberian Cave-dweller Linked to Modern-day Humans
  9. December 22, 2010 - Siberian Fossils Were Neanderthals' Eastern Cousins, DNA Reveals
  10. December 22, 2010 - DNA Says New Human Relative Roamed Widely in Asia - also here
  11. December 22, 2010 - Ancient humans, dubbed 'Denisovans', interbred with us
  12. December 23, 2010 - Finger bone genome reveals new human ancestor
  13. December 23, 2010 - Neanderthal cousins genome reaction roundup
Background


ModENCODE genomics project

References:
  1. December 22, 2010 - Genome 'census' reveals hidden riches
  2. December 22, 2010 - Model organisms up close
  3. December 22, 2010 - Early Reports From the 'Dark Matter' of the Genome
  4. December 22, 2010 - Learning to read the genome
  5. December 22, 2010 - Scientists reveal how biological activity is regulated in fruit fly and roundworm genomes
Background


Earliest metazoans

References:
  1. December 22, 2010 - Discovery rekindles debate on origins of multi-cellular life
Background


Sex-reversed mice

References:
  1. December 22, 2010 - Brain gene makes a female develop as a male
Background


Recycling of signaling receptors

References:
  1. December 22, 2010 - Researchers discover mechanism for signaling receptor recycling
Background


Ribosome synthesis

References:
  1. December 22, 2010 - Scientist uncovers switch controlling protein production
Background


Aging and the mTORC1 pathway

References:
  1. December 22, 2010 - Mammalian aging process linked to overactive cellular pathway - also here, here
Background


Hematopoiesis and B cell development

References:
  1. December 22, 2010 - An important breakthrough in hematopoiesis and the development of B cells
Background


Mammalian Promoter Database

References:
  1. December 22, 2010 - New annotated database sifts through mountains of sequencing data to find gene promoters
Background


Commensal bacteria and immunity

References:
  1. December 23, 2010 - New gut bacteria regulate immunity
Background


Anti-aging properties of growth hormone-releasing hormone antagonist

References:
  1. December 23, 2010 - 'Un-growth hormone' increases longevity
Background


Transmission of epigenetic information to offspring

References:
  1. December 23, 2010 - Paternal diet affects lipid metabolizing genes in offspring
Background


Plasmacytoid dendritic cells

References:
  1. December 23, 2010 - New model will open immune cell's secrets
Background


Human complement system

References:
  1. December 23, 2010 - Structure of key molecule in immune system provides clues for designing drugs
Background


Wnt and regulation of protein stability

References:
  1. December 23, 2010 - Researchers uncover new cell biological mechanism that regulates protein stability in cells
Background


Hsp90, environmental stress, and evolutionary change

References:
  1. December 23, 2010 - Heat shock protein drives yeast evolution
Background, Background


AMPK and autophagy

References:
  1. December 23, 2010 - How cells running on empty trigger fuel recycling
Background


Essential function of modern fruit fly genes

References:
  1. December 23, 2010 - New genes needed for survival too
Background



Neuroscience, psychology, and behavior


Brain-imaging studies

References:
  1. December 20, 2010 - A Better Read on the Dyslexic Brain
  2. December 20, 2010 - Brain imaging predicts future reading progress in children with dyslexia
  3. December 21, 2010 - Brain scan predicts dyslexia gains
  4. December 22, 2010 - Scientists find evidence for 'chronesthesia,' or mental time travel
  5. December 22, 2010 - Brain is not fully mature until 30s and 40s
  6. December 22, 2010 - Study pinpoints part of brain that suppresses instinct
Background


Circuits for visual motion detection

References:
  1. December 20, 2010 - How the eye builds circuits to detect motion
Background


Autism

References:
  1. December 20, 2010 - Children with autism lack visual skills required for independence
  2. December 20, 2010 - Proximity to freeways increases autism risk, study finds
  3. December 20, 2010 - Autistic ability falters in real world
Background


Olfaction

References:
  1. December 20, 2010 - Odor-related neural action and behavior linked
Background


Inflammation and depression

References:
  1. December 20, 2010 - Link between depression and inflammatory response found in mice
Background, Background


Evolutionary psychology of shopping

References:
  1. December 21, 2010 - Shopping differences between sexes show evolution at work
Background, Background


Synapse validation

References:
  1. December 21, 2010 - Scientists show in unprecedented detail how cortical nerve cells form synapses with neighbors
Background


Stess and memory

References:
  1. December 21, 2010 - Stress can enhance ordinary, unrelated memories
Background


Schizophrenia

References:
  1. December 21, 2010 - What students on ketamine tell us about schizophrenia
Background


Placebo effect

References:
  1. December 22, 2010 - These Fake Pills May Help You Feel Better
  2. December 22, 2010 - Placebos work -- even without deception
  3. December 23, 2010 - Placebos can work even when you know they're fakes
  4. December 27, 2010 - Study: Placebos Can Work Even if Patients Know They're Placebos
Background


Stress-induced illness

References:
  1. December 22, 2010 - The secrets behind stress-induced illness
Background


Memory and mental preplay

References:
  1. December 22, 2010 - How past experiences inform future choices
Background


Alcohol-induced impulsivity

References:
  1. December 22, 2010 - Study identifies genetic variant that can lead to severe impulsivity
  2. December 23, 2010 - 'Impulsivity gene' found in violent offenders
Background


Leptin and puberty onset

References:
  1. December 22, 2010 - Researchers identify site in brain where leptin may trigger puberty
Background


Canine vocabulary capacity

References:
  1. December 22, 2010 - Border collie takes record for biggest vocabulary
  2. January 6, 2011 - Border Collie Comprehends over 1000 Object Names as Verbal Referents - also here
  3. January 17, 2011 - Sit. Stay. Parse. Good Girl!
Background, Background


Theory of mind

References:
  1. December 23, 2010 - Seven-month-old babies can 'read minds'
  2. December 23, 2010 - Babies may sense others' worldviews earlier than thought
  3. December 27, 2010 - Are you out of touch with reality? Baby can tell
Background


Brain development and regulation of BMP signaling

References:
  1. December 24, 2010 - New protein promotes embryonic brain formation
Background


Amygdala size and sociability

References:
  1. December 26, 2010 - Amygdala at the centre of your social network
  2. December 26, 2010 - Structure deep within the brain may contribute to a rich, varied social life
  3. December 26, 2010 - Study ties brain structure size to socializing - also here
  4. December 26, 2010 - Social whirl of a life? Thank your amygdala
  5. December 27, 2010 - Supersized Amygdalas Linked to Sprawling Social Circles
  6. December 27, 2010 - Heavy Facebook users may have weighty amygdalas - also here
  7. December 27, 2010 - Size of Key Brain Region Linked to Size of Your Social Network
  8. January 4, 2011 - Brain biology may dictate social networks
Background, Background



Health and medicine


Cancer

References:
  1. December 20, 2010 - Finnish researchers find compound that prevents growth of prostate cancer cells
  2. December 20, 2010 - Electronic nose detects cancer
  3. December 20, 2010 - Outcomes after recurrence of oral cancer vary by timing, site
  4. December 20, 2010 - Intensive chemotherapy can dramatically boost survival of older teenage leukemia patients
  5. December 21, 2010 - UH biochemist works to revolutionize ovarian cancer treatment
  6. December 21, 2010 - NIH researchers link rare cancer to cell oxygen deficiency
  7. December 21, 2010 - UF hepatologists test chemotherapy pill in patients with advanced liver cancer, cirrhosis
  8. December 21, 2010 - Age plays too big a role in prostate cancer treatment decisions
  9. December 21, 2010 - Tumor cells in blood may signal worse prognosis in head and neck cancer patients
  10. December 21, 2010 - Scientist leads successful drug trial for childhood leukaemia
  11. December 21, 2010 - Gene alteration identified that predisposes to syndrome with high risk of cancer
  12. December 22, 2010 - High red blood cell folate levels linked to silenced tumor-suppressors
  13. December 22, 2010 - Researchers identify potential target for breast cancer therapy
  14. December 22, 2010 - Photons vs. protons for treatment of spinal cord gliomas
  15. December 22, 2010 - Arsenic agent shuts down two hard-to-treat cancers in animal experiments
  16. December 22, 2010 - Some cancer drugs may block cellular 'cross talk' but not kill cancer cells
  17. December 22, 2010 - Scientists identify possible gene target for treating a form of lymphoma
  18. December 23, 2010 - Protein that drives survival of gastrointestinal tumors identified
  19. December 23, 2010 - Individual types of colorectal cancer revealed through mutation patterns
Background


Cancer biology

References:
  1. December 20, 2010 - Is mitochondrial DNA the secret of prostate cancer?
  2. December 22, 2010 - Many cancer cells found to have an 'eat me' signal
  3. December 22, 2010 - Researchers make major breakthrough in melanoma research
  4. December 22, 2010 - Most common adult brain cancer linked to gene deletion
  5. December 22, 2010 - And then the cancer cell said, 'eat me'
  6. December 23, 2010 - Protein involved in early steps of melanoma development revealed
  7. December 23, 2010 - Some brain tumors mimic genetic program of germline cells
Background


Psoriasis

References:
  1. December 20, 2010 - Features of the metabolic syndrome common in persons with psoriasis
Background


Nanobiotechnology

References:
  1. December 20, 2010 - Invention could improve cancer drug delivery, lessen harmful effects of chemotherapy
Background


Malaria

References:
  1. December 20, 2010 - Malaria-infected cells stiffen, block blood flow
  2. December 23, 2010 - Could the ingestion of 'modified' starch be a new malaria vaccine strategy?
Background


Cardiovascular disease

References:
  1. December 20, 2010 - Genome-wide hunt reveals links to abnormal rhythms behind sudden death, heart damage
  2. December 23, 2010 - Gene alteration in mice mimics heart-building effect of exercise
  3. December 23, 2010 - Shouldering family demands and worries bumps up angina risk
Background


Diabetes

References:
  1. December 20, 2010 - Component in common dairy foods may cut diabetes risk
  2. December 21, 2010 - Researchers uncover cellular mechanism responsible for chronic inflammation, type 2 diabetes
Background


AIDS

References:
  1. December 21, 2010 - Biomarkers could predict death in AIDS patients with severe inflammation
  2. December 21, 2010 - Earlier initiation of antiretroviral therapy should be highest priority for expansion of HIV care
  3. December 22, 2010 - Discovery suggests a new way to prevent HIV from infecting human cells
Background


Vaccines

References:
  1. December 21, 2010 - New findings could help vaccine designers elicit long-term immunity
Background


Alzheimer's disease

References:
  1. December 21, 2010 - Therapy for fearsome brain disease could target blood
  2. December 21, 2010 - Blood protein tied to Alzheimer's brain abnormalities through study
  3. December 21, 2010 - Test for early Alzheimer's 'seems possible'
  4. December 22, 2010 - Tau disrupts neural communication prior to neurodegeneration
  5. December 22, 2010 - Alzheimer's changes detectable in healthy elderly
Background


Stem cells and cancer

References:
  1. December 21, 2010 - New evidence of stem cells' pivotal role in cancer shown
  2. December 23, 2010 - Fat cells become useful stem cells in tissue reconstruction
Background, Background


Obesity

References:
  1. December 22, 2010 - As Americans keep getting fatter, doctors ask: Where are the drugs?
  2. December 23, 2010 - Designer probiotics could reduce obesity
Background


Dietary patterns and mortality

References:
  1. December 22, 2010 - Eating healthier means living longer
Background


Multiple sclerosis

References:
  1. December 22, 2010 - Multiple sclerosis more linked to depression in minorities
Background


Dementia

References:
  1. December 22, 2010 - Researchers find gene that protects against dementia in high-risk individuals
Background


Tuberculosis

References:
  1. December 23, 2010 - Giant rats detect tuberculosis
Background


Stem cells

References:
  1. December 23, 2010 - Fat cells become useful stem cells in tissue reconstruction
Background


Avian flu

References:
  1. December 23, 2010 - Hong Kong bird tests positive for bird flu
Background


Antioxidants for inflammation and insulin resistance

References:
  1. December 23, 2010 - Study on effects of resveratrol and quercetin on inflammation and insulin resistance
Background, Background


Strokes and consumption of fried fish

References:
  1. December 22, 2010 - More Fried Fish Eaten in 'Stroke Belt' - also here
  2. December 22, 2010 - America's stroke belt partially fueled by fried fish
  3. December 22, 2010 - Study: Stroke deaths higher where fried fish aplenty
  4. December 22, 2010 - Too Much Fried Fish Might Help Make South the 'Stroke Belt'
  5. December 23, 2010 - Fried Fish May Explain 'Stroke Belt' Mystery - also here
  6. December 23, 2010 - Living in the stroke belt? You may prefer your fish fried
  7. December 23, 2010 - Fried fish may be fueling 'stroke belt'
  8. December 23, 2010 - Eating Less Healthy Fish May Contribute to America's Stroke Belt
  9. December 23, 2010 - Fried Fish May Contribute to Increased Risk in 'Stroke Belt'
  10. December 23, 2010 - Fish May Explain Notches in Stroke Belt
  11. January 3, 2011 - Fried Fish Is Seen as a 'Stroke Belt' Culprit
  12. January 4, 2011 - Eating fried fish likely factor in strokes, study finds
Background


Copyright © 2010 by Charles Daney, All Rights Reserved