News
- Health & Medicine
Tired brain defaults differently
Sleep deprivation may cause the brain to switch to default mode when it should be paying attention.
- Health & Medicine
Junior moments
A new study finds that young adults actually had more "senior moments" than did older people.
- Animals
Dogs show a fetching communication savvy
In a sign of understanding that one object can be used to represent another, border collies fetch toys after being shown replicas or, in some cases, photos of those toys.
- Space
Brines on Mars
Unusually high concentration of perchlorate salts found in Martian soil suggests that the Red Planet may harbor shallow, extremely briny oceans just below its surface. The existence of these brines may explain a host of puzzles on Mars.
- Physics
Never mind the Pollock ‘fractals’
Scientists strengthen claim that fractal analysis is moot.
- Ecosystems
U.S. bird populations in decline, report says
Secretary of the Interior Ken Salazar releases a review of U.S. bird populations.
- Chemistry
Helping molecules reach meta
Researchers find a simple way to get molecules into the meta position on an aromatic ring, opening fresh possibilities for making new compounds.
- Health & Medicine
How deep brain stimulation works for Parkinson’s
New studies in rodents show that methods that are less invasive than deep brain stimulation may help people with Parkinson's disease regain movement.
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- Psychology
Feelings, universal musical feelings
Africans who spurn all things Western provide evidence that people everywhere recognize expressions of happiness, sadness and fear in music. Listen to some of the audio samples the study used.
- Health & Medicine
Vaccine could protect against virus that causes birth defects
An experimental vaccine against cytomegalovirus has the ability to prevent infection half the time it’s administered, suggesting the vaccine might prevent birth defects the virus can cause.
- Physics
Evidence mounts for an exotic supersolid
Rubidium atoms simultaneously act like a solid and a superfluid.
