Uncategorized
- 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.
- 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.
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- Health & Medicine
Flu shot in pregnancy protects newborns
Mothers-to-be impart antibodies to offspring that pay dividends later
- Humans
Origins of Maya pottery material remain mysterious
Scientists haven’t yet identified the source of volcanic ash used in Maya pottery, but they now have geochemical clues about the ash’s composition.
- Planetary Science
New angles on Mercury
The NASA MESSENGER spacecraft completed its second flyby of Mercury, yielding crisp new images of a large swath of the planet not seen before.
- Earth
World’s largest tsunami debris
Seven immense coral boulders — one of them a three-story-tall, 1,200-metric-ton monster — have been found far inland on a Tongan island and may be the world's largest tsunami debris.
- Physics
Nobel Prize in physics shared for work that unifies forces of nature
Understanding of broken symmetry has been crucial to the standard model of particle physics.
- Life
Tough times for mammals
Between a fifth and a third of the world’s mammal species face the threat of extinction.
- Humans
The long, wild ride of bipolar disorder
The first long-term study of its kind finds that bipolar disorder identified in children often persists into young adulthood and involves frequent, intense swings between manic euphoria and depression.
- Earth
When trees grew in Antarctica
Fossils of trees that grew in Antarctica millions of years ago suggest a growth pattern much different than modern trees.
