News
- Math
Numbers don’t add up for U.S. girls
Culture may turn potentially high achievers away from math, new study suggests.
- Life
Parenthood: Male sharks need not apply
A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.
- Life
Climate warms, creatures head for the hills
Unusual data let scientists test predictions that global warming drives species up slopes.
By Susan Milius - Life
Community of one
Scientists have discovered how a single bacterial species living in a gold mine in South Africa survives on its own. Its genome contains everything it needs to live independently.
- Paleontology
New arthropod species really stuck together
Recent fossil discovery shows that new species of arthropod formed chains, raising the possibility of communal behavior.
- Life
A better understanding of inherited breast cancer
New studies on a type of inherited breast cancer identify a key factor with different roles in different cancers.
- Humans
New hand, same brain map
An investigation of a man who received a successful hand transplant suggests that reorganization of sensory maps in the brain following amputation can be reversed in short order.
By Bruce Bower - Earth
Lake Superior’s ups and downs
Analyses of trees and other organic material buried in a riverbank near Lake Superior’s northwestern shore shed new light on how much and when the lake level varied soon after the last ice age.
By Sid Perkins - Physics
An attractive source for spintronics
Discovery may lead to battery that generates magnetic currents
- Earth
Pterodactyls may soar once more
Paleontologists and aeronautical engineers are designing a reconnaissance drone that will mimic the flight of an ancient flying reptile.
By Sid Perkins -
- Health & Medicine
Flu shot in pregnancy protects newborns
Mothers-to-be impart antibodies to offspring that pay dividends later
By Nathan Seppa