Uncategorized
- Archaeology
Maya palace suddenly expands
Archaeologists find a sprawling palace and other surprises at a 1,300-year-old Maya site in Guatemala.
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Risky Business
The science of decision making grapples with sex, race, and power.
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19265
Regarding this article, the challenge is how to increase the anomalous risk perceptions of white males. Their low risk perception may lead to higher use of cigarettes and other addictive drugs, lower use of condoms to prevent sexually transmitted diseases, driving at unsafe speeds and while intoxicated, poor eating practices, higher use of guns, and […]
- Earth
High-Flying Science, with Strings Attached
In the hands of scientists, kites do serious data gathering.
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19334
In your article about the use of kites for science, we are told that Antarctica is “[m]ore than half a world away from Kansas.” I know a shorter route. It’s a round, round world, after all! Marvin E. Kahn Darnestown, Md.
- Humans
Postdocs warrant more status and support
A new study finds a pressing need to improve the pay and status of postdoctoral scholars.
- Earth
Small quake shakes up hydrothermal vents
Long-term, post-earthquake fluctuations in the temperature and volume of water spewing from hydrothermal vents off the coast of Washington state suggest that the fluid flow feeding such vents may be much more complex than previously thought.
- Tech
Device ups hydrogen energy from sunlight
A solar-electric cell that stands above an acid bath on electrode legs has converted light to hydrogen fuel with unprecedented efficiency.
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Moms and pups sniff out immune genes
Genes involved in the immune system also create individualized body odors that allow parents and offspring to recognize each other.
- Animals
Sexual conflict pushes species making
A novel comparison of 25 pairs of insect lineages finds that sexual conflict plays more of a role in making new species than scientists had realized.
- Health & Medicine
Blood-cell transplants slow kidney cancer
A new transplant technique that uses blood transfusions from a sibling combined with decreasing doses of immune-suppressing drugs enables some patients to fight off advanced kidney cancer.
- Chemistry
Old Martian questions may have new answer
Researchers simulating Martian conditions in a test tube discover a likely reason why no organic molecules have yet been found on the surface of the Red Planet.
