Uncategorized
- Archaeology
Ancient granaries preceded the Agricultural Revolution
Granaries excavated in Jordan indicate that people stored large quantities of wild cereals by about 11,300 years ago, a practice that led to the cultivation of domesticated plants, a new study suggests.
- Tech
Molecule gears up
Researchers have made one of the most basic components of a machine out of a snowflake-shaped molecule.
- Physics
Martian lightning
The Red Planet’s dust devils charge up particles, providing first direct evidence of this type of electrical discharge on Mars.
- Health & Medicine
Downside of red-hot chili peppers
In the wild, a culinary kick comes with risks to the plant.
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- Physics
Microswimmers make a splash
Researchers study secrets of microbes' locomotion and how to mimic that movement.
- Humans
Seeking genetic fate
Personal genomics companies offer forecasts of disease risk, but the science behind the packaging is still evolving.
- Life
Mosquito fish count comrades to stay alive
New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.
- Health & Medicine
A role for Merkels
Mysterious skin cells known as Merkel cells are required to sense light touches.
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Science Future for July 4, 2009
July 19-23 Get education training at the NEED National Energy Conference for Educators in Nashville. See www.need.org/training July 31 Deadline for submissions to the Imagine Science Film Festival in New York City. Get more info at www.imaginesciencefilms.com October 28-November 1 Society for Hispanic Professional Engineers conference in Washington, D.C. Visit www.shpe.org/shpe2009
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Science Past from the issue of July 4, 1959
Brides and grooms are younger than ever — Today’s brides and grooms are younger than any others in the nation’s history, the Population Reference Bureau reported. The average age for first marriages in the U.S. last year was 23 for men and 20 for women. More girls married at 18 than at any other age. […]
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Letters
Astronomical art faux pas Assuming they are in the Northern Hemisphere, those two young folk on the cover of the May 23 Science News look remarkably chipper while keeping astronomers’ hours. I make the time to be about 3 a.m. as a waning decrescent moon rises.Dainis Bisenieks, Philadelphia, Pa. SPECIAL ASTRONOMY ISSUE COVER The cover […]
