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For Cells, Internal Stress Leads to Unique Shapes
Apr. 16, 2014 — A cell's unique shape results from an internal tug-of-war: the cell needs to maintain structural integrity while also dynamically responding to the pushes and pulls of mechanical stress, ... full story -
Mars: Meteorites Yield Clues to Red Planet's Early Atmosphere
Apr. 16, 2014 — Geologists analyzed 40 meteorites that fell to Earth from Mars to understand the history of the Martian atmosphere. Their new article shows the atmospheres of Mars and Earth diverged in important ... full story -
Eavesdropping on Brain Cell Chatter
Apr. 16, 2014 — Everything we do -- all of our movements, thoughts and feelings -- are the result of neurons talking with one another, and recent studies have suggested that some of the conversations might not be ... full story -
How Smells Stick to Your Memories: Your Nose Can Be a Pathfinder
Apr. 16, 2014 — Waves in your brain make smells stick to your memories and inner maps. Researchers have recently discovered the process behind this phenomenon. The brain, it turns out, connects smells to memories ... full story -
Ancient Shark Fossil Reveals New Insights Into Jaw Evolution
Apr. 16, 2014 — The skull of a newly discovered 325-million-year-old shark-like species suggests that early cartilaginous and bony fishes have more to tell us about the early evolution of jawed vertebrates -- ... full story -
Searching for Dark Energy With Neutrons: With Neutrons, Scientists Can Now Look for Dark Energy in the Lab
Apr. 16, 2014 — It does not always take a huge accelerator to do particle physics: First results from a low energy, table top alternative takes validity of Newtonian gravity down by five orders of magnitude and ... full story -
Crucial New Information About How the Ice Ages Came About
Apr. 16, 2014 — Scientists have discovered new relationships between deep-sea temperature and ice-volume changes to provide crucial new information about how the ice ages came about. The researchers found, for the ... full story -
Sperm Meets Egg: Protein Essential for Fertilization Discovered
Apr. 16, 2014 — Interacting proteins on the surface of the sperm and the egg have been discovered by researchers. These are essential to begin mammalian life. These proteins, which allow the sperm and egg to ... full story -
Scientists Re-Define What's Healthy in Newest Analysis for Human Microbiome Project
Apr. 16, 2014 — A new look at the Human Microbiome Project shows wide variation in the types of bacteria found in healthy people. Based on their findings, there is no single healthy microbiome. Rather each person ... full story -
Scientists Achieve First Direct Observations of Excitons in Motion
Apr. 16, 2014 — A quasiparticle called an exciton -- responsible for the transfer of energy within devices such as solar cells, LEDs, and semiconductor circuits -- has been understood theoretically for decades. But ... full story -
At the Origin of Cell Division: The Features of Living Matter Emerge from Inanimate Matter in Simulation
Apr. 16, 2014 — Droplets of filamentous material enclosed in a lipid membrane: these are the models of a “simplified” cell used by physicists who simulated the spontaneous emergence of cell motility and division ... full story -
Warm U.S. West, Cold East: 4,000-Year Pattern; Global Warming May Bring More Curvy Jet Streams During Winter
Apr. 16, 2014 — Last winter’s curvy jet stream pattern brought mild temperatures to western North America and harsh cold to the East. A new study shows that pattern became more pronounced 4,000 years ago, and ... full story -
Functional Brain Imaging Reliably Predicts Which Vegetative Patients Have Potential to Recover Consciousness
Apr. 15, 2014 — A functional brain imaging technique known as positron emission tomography is a promising tool for determining which severely brain damaged individuals in vegetative states have the potential to ... full story -
New Study Outlines 'Water World' Theory of Life's Origins
Apr. 15, 2014 — Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet rays. What started out as simple cells ultimately transformed ... full story -
Brain Changes Associated With Casual Marijuana Use in Young Adults: More 'Joints' Equal More Damage
Apr. 15, 2014 — The size and shape of two brain regions involved in emotion and motivation may differ in young adults who smoke marijuana at least once a week, according to a new study. The findings suggest that ... full storyMore: -
Astronomers: 'Tilt-a-Worlds' Could Harbor Life
Apr. 15, 2014 — A fluctuating tilt in a planet's orbit does not preclude the possibility of life, according to new research. In fact, sometimes it may help. That's because such "tilt-a-worlds," ... full storyMore: -
SSRI Use During Pregnancy Linked to Autism and Developmental Delays in Boys
Apr. 15, 2014 — In a study of nearly 1,000 mother-child pairs, researchers found that prenatal exposure to selective serotonin reuptake inhibitors (SSRIs), a frequently prescribed treatment for depression, anxiety ... full story -
Lifestyle Determines Gut Microbes: Study With Modern Hunter-Gatherers Tells Tale of Bacteria Co-Evolution
Apr. 15, 2014 — The intestinal bacteria of present-day hunter-gatherers has for the first time been deciphered by an international team of researchers. Bacterial populations have co-evolved with humans over millions ... full story -
Gut Capacity Limits Bird's Ability to Adapt to Rapid Climate Change
Apr. 15, 2014 — An ornithologist has found that the capacity of a bird’s gut to change with environmental conditions is a primary limiting factor in their ability to adapt to the rapidly changing climate. And he ... full story -
Tiger Beetle's Chase Highlights Mechanical Law
Apr. 15, 2014 — If an insect drew a line as it chased its next meal, the resulting pattern would be a tangled mess. But there’s method to that mess: It turns out the tiger beetle, known for its speed and agility, ... full story
- For cells, internal stress leads to unique shapes
- Mars: Meteorites yield clues to Red Planet's early atmosphere
- Eavesdropping on brain cell chatter
- How smells stick to your memories: Your nose can be a pathfinder
- Ancient shark fossil reveals new insights into jaw evolution
- Searching for dark energy with neutrons: With neutrons, scientists can now look for dark energy in the lab
- Crucial new information about how the ice ages came about
- Sperm meets egg: Protein essential for fertilization discovered
- Scientists re-define what's healthy in newest analysis for human microbiome project
- Scientists achieve first direct observations of excitons in motion
- At the origin of cell division: The features of living matter emerge from inanimate matter in simulation
- Warm U.S. West, cold East: 4,000-year pattern; Global warming may bring more curvy jet streams during winter
- Functional brain imaging reliably predicts which vegetative patients have potential to recover consciousness
- New study outlines 'water world' theory of life's origins
- Brain changes associated with casual marijuana use in young adults: More 'joints' equal more damage
- Astronomers: 'Tilt-a-worlds' could harbor life
- SSRI use during pregnancy linked to autism and developmental delays in boys
- Lifestyle determines gut microbes: Study with modern hunter-gatherers tells tale of bacteria co-evolution
- Gut capacity limits bird's ability to adapt to rapid climate change
- Tiger beetle's chase highlights mechanical law
- New method of screening children for autism spectrum disorders works at 9 months old
- Targeting cancer with a triple threat: New nanoparticles can deliver three drugs at once
- Regenerated esophagus transplanted in rats
- Hair from infants gives clues about life in womb
- Moth study suggests hidden climate change impacts
- NASA Cassini images may reveal birth of a Saturn moon
- We're over the hill at 24, study says
- Fire and drought may push Amazonian forests beyond tipping point
- Plugging an ozone hole: Extreme Antarctic ozone holes have not been replicated in Arctic
- Ferns borrowed genes to flourish in low light
- Air pollution over Asia influences global weather and makes Pacific storms more intense
- Cosmic slurp: Supercomputers help astronomers understand and predict how black holes swallow stars
- Neuroscientists: Brain activity may mark beginning of memories
- Wolves at the door: Study finds recent wolf-dog hybridization in Caucasus region
- Teaching to optimize learning or control misbehavior? Scale of disruptive behavior in schools seriously underestimated
- Neanderthals and Cro-magnons did not coexist on the Iberian Peninsula, suggests re-analysis of dating
- Does germ plasm accelerate evolution?
- Dual role of carbon dioxide in photosynthesis: Pioneering findings
- Finding the switch: Researchers create roadmap for gene expression
- How a Silly Putty ingredient could advance stem cell therapies
- Faraway moon or faint star? Possible exomoon found
- Hepatitis C treatment cures over 90 percent of patients who also have cirrhosis
- Computer rendering: Graduate student brings extinct plants 'back to life'
- Odds that global warming is due to natural factors: Slim to none
- New form of matter: Exotic hadron with two quarks, two anti-quarks confirmed
- NASA's Hubble extends stellar tape measure 10 times farther into space
- Appearance of night-shining clouds has increased
- Nanostructures with applications in infrared and terahertz ranges
- Greenland ice cores show industrial record of acid rain, success of US Clean Air Act
- Sharks contain more pollutants than polar bears
- Scientists grow cartilage to reconstruct nose
- Sneak a peek through the mist to technology of the future
- 3-D printing cancer cells to mimic tumors
- Laboratory-grown vaginas implanted in patients
- Antennae help flies 'cruise' in gusty winds
- World ranking tracks evolutionary distinctness of birds
- Plants evolve ways to control embryo growth
- How the brain pays attention: Identifying regions of the brain dealing with object-based, spacial attention
- Fruit flies, fighter jets use similar nimble tactics when under attack
- Uncovering a new angle on mental distance: Feeling closer leads to poor judgement of space
- Rare fossilized embryos more than 500 million years old found
- Ancient 'spider' images reveal eye-opening secrets
- Decades-old mystery solved of how cells keep from bursting
- Sunlight generates hydrogen in new porous silicon
- Reef fish arrived in two waves, before and after mass extinction 66 million years ago
- Extinct carnivorous marsupial may have hunted prey larger than itself
- Mars: Gusev Crater once held a lake after all, scientist says
- New 'switch' could power quantum computing: Light lattice traps atoms, builds networks of quantum information transmitters
- Genetic circuits: Bacterial 'FM radio' created
- Scientists reconstruct ancient impact that dwarfs dinosaur-extinction blast
- Study tests theory that life originated at deep sea vents
- Chance meeting creates celestial diamond ring
- Neanderthals were no strangers to good parenting
- Novel ultra-fast electrical circuits use light-generated tunneling currents
- Scale model WWII craft takes flight with fuel from the sea concept
- Processing new information during sleep compromises memory
- Lipid levels during prenatal brain development impact autism, study shows
- Language structure: You're born with it
- Surprising truth about obsessive-compulsive thinking
- DNA modifications measured in blood signal related changes in the brain
- Living organ regenerated for first time: Thymus rebuilt in mice
- How coughs and sneezes float much farther than you think
- Why auditory pitch and spatial elevation get high together: Shape of human ear may have evolved to mirror acoustics in natural world
- Humans and Neandertals interbred, new method confirms
- Antimicrobial from soaps promotes bacteria buildup in human noses
- Saturn's hexagon: An amazing phenomenon
- Patients with paraplegia regain voluntary movement after spinal stimulation
- From athletes to couch potatoes: Humans through 6,000 years of farming
- Severe obesity on the rise among children in the U.S.
- Permafrost thawing could accelerate global warming
- Genes increase the stress of social disadvantage for some children
- New light shed on key bacterial immune system
- BOSS quasars track the expanding universe: Most precise measurement yet
- Trees go high-tech: Process turns cellulose into energy storage devices
- Slowdown of global warming fleeting
- Rage-quitting: Feelings of failure, not violent content, foster aggression in video gamers
- Procrastination and impulsivity genetically linked: Exploring the genetics of 'I'll do it tomorrow'
- Green tea extract boosts your brain power, especially the working memory, new research shows
- Ancient shrimp-like animals had 'modern' hearts and blood vessels
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