Uncategorized
- Astronomy
Poof goes an atmosphere
Blasted by the heat and radiation from its parent star, a planet 150 light-years from Earth is literally blowing off its atmosphere.
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Bacteria do the twist
A newly identified bacterial protein generates the sinuous shapes of some bacteria.
- Tech
Diagnosing the Developing World
Researchers are learning how to adapt sophisticated technologies to meet the health-care needs of the developing world.
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Code Breakers
Chemical tags applied to proteins that DNA wraps around regulate genetic activity.
- Animals
Where’d I Put That?
Birds that hide and recover thousands of separate caches of seeds have become a model for investigating how animals' minds work.
- Math
Turning a Snowball Inside Out
Turning a sphere inside out without allowing any sharp creases along the way is a tricky mathematical maneuver. Carving an intricate snow sculpture depicting a crucial step in this twisty transformation presents its own difficulties. This was the challenge facing a team led by mathematician Stan Wagon of Macalester College in St. Paul, Minn., last […]
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From the February 3, 1934, issue
alt=”Click to view larger image”> SHORT-WAVE PHONE SYSTEM SERVES BRIDGE BUILDERS Curiously, radio is helping to build a bridge. Special short-wave transmitting and receiving sets make possible communication among groups of contractors scattered on land and water along the eight-and-one-quarter-mile route of work on the San Francisco-Oakland bridge. These men on the job also talk […]
- Astronomy
A Habitable Planet
NASA offers kids a chance to search for and build a fictional planet on which people could live. This multimedia, interactive Web site guides students through a sequence of role-playing steps, starting with observations of the effects that changes to Earth can have and what’s needed for survival. Go to: http://astroventure.arc.nasa.gov/
- Science & Society
Money Crunch: Tight budget leaves scientists disappointed
In the federal budget for FY 2005, research and development funding for defense and homeland security gets a boost, but overall investment in science and technology is meager by comparison.
- Ecosystems
Mangrove Might: Nearby trees boost reef-fish numbers
Coastal mangroves give an unexpectedly important boost to reef fish.
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Gassing Up: Oxygen’s rise may have promoted complex life
The increasing amount of oxygen in Earth's atmosphere may have driven the emergence of complex life.
- Health & Medicine
Early Warning? Inflammatory protein is tied to colon cancer risk
C-reactive protein, an inflammatory protein linked to heart disease, might also signal susceptibility to colon cancer.
