
Why a Quick Look Can Be Better than a Deep Study
When searching for an object in a field of many others, often the first place we look is where it is

Why a Quick Look Can Be Better than a Deep Study
When searching for an object in a field of many others, often the first place we look is where it is

Early to Bed, Early to Rise: Scientists Determine How Gene Behind Sleep Cycle Works
A single amino acid in a particular protein can get you up long before dawn and into bed well before prime time.

Being Bird-Brained Is Not So Bad--as Long as It Is a Big Bird Brain
Study of over 200 avian species finds that the bigger the bird brain, the better the survival rate.

Ethnic Differences Traced to Variable Gene Expression
Finding could explain why ethnic groups suffer from particular common diseases

New Source of Stem Cells: Amniotic Fluid
Scientists isolate and culture stem cells from placenta with characteristics of both embryonic and adult stem cells

This Is Your Brain on Shopping
An fMRI study determines where the brain appraises products and evaluates prices

Mercury "Hot Spots" Found in North America
Aquatic ecosystems in the northeastern U.S. and southern Canada harbor dangerous concentrations of the neurotoxin

Moon Gas

Being Cool for a Longer Life

Genes Expressed in Brain Evolving at a Medium Pace
Even mice brains evolve faster than human brains, and our complexity may be the culprit

A 3-D Replacement for the Petri Dish
For modeling cell growth and behavior in the body, scientists are turning to three-dimensional culture systems that create more lifelike environs

Don't Surrender Any More Teeth to the Tooth Fairy
Stem cells from pulled teeth regenerate new roots, might some day replace dental implants
by Nikhil Swaminathan

CO2-Hating Flies Betray CO2-Loving Mosquitoes
New discovery may lead to better bug repellant

Stem Cells Patch Holes in Brain without Prompting
New research finds that stem cells repair and reinforce brain cells in mice

Why the Giggles Make Us Smile
Laughter and cheers cause a buzz of activity in brain regions that control facial movement

Why Hair Grows--or Doesn't--All in a Row
Forget the flatiron: a two-step developmental mechanism orients and organizes hairs into place.

African Adaptation to Digesting Milk Is "Strongest Signal of Selection Ever"
East African cattle herding communities rapidly and independently evolved ability to digest lactose

Amber Waves of Gas?: Gasoline Alternative May Be Found in Prairie Grass
Diverse grassland species could become a "carbon-negative" source of bioenergy

"Tabletop" Particle Accelerator Boosts Electrons to Stable Energies
French researchers finally develop a stable, two-laser-pulse particle accelerator that can be used for applications from materials science to medicine

A Taste Sensitivity Test Could Determine the Appropriate Antidepressant
U.K. researchers find that taste buds respond differently to depression therapies that target serotonin and noradrenaline

Llamas Recruited to Fight against Biological Threats
A protein found in some animals could lead to a new class of biosensors for detecting environmental contamination or airborne disease

Switching Bacteria Off May Be Possible with New Class of Antibiotic

P[acman] Unlocks Virtually All Areas of the Fruit Fly Genome
A new method for introducing DNA into the fruit fly genome gives scientists access to almost all of the insect's genetic code

"Extinction Vortex" Could Result from Endangered Species Alerts
Humans' love for rare objects could cause conservation efforts to backfire and force species disappearance