22/06/2005

Hummingbird flight an evolutionary marvel

Humans with an appreciation of beauty may have marveled for millennia at the artistry of a darting hummingbird, but scientists announced today that for the first time they can more fully explain how a hummingbird can hover.

Dust belt around nearby star clear sign of exoplanet

Astronomers zooming in on a nearby star with NASA's Hubble Space Telescope have discovered unmistakable evidence of a planetary system: a perturbed dusty belt around the star that's analogous to the vast Kuiper Belt of icy ...

Buckyball aggregates are soluble, antibacterial

Research offers clues about C60 behavior in natural environments In some of the first research to probe how buckyballs will interact with natural ecosystems, Rice University's Center for Biological and Environmental Nanotechnology ...

Physicists create new form of matter

MIT scientists have brought a supercool end to a heated race among physicists: They have become the first to create a new type of matter, a gas of atoms that shows high-temperature superfluidity. Their work, to be reported ...

Mars Express radar ready to work

MARSIS, the Mars Advanced Radar for Subsurface and Ionosphere Sounding on board ESA’s Mars Express orbiter, is now fully deployed, has undergone its first check-out and is ready to start operations around the Red ...

UF builds record-setting 105 GHz chip

Researchers have built a world-record high frequency chip using a common type of semiconductor, an advance that could lead to inexpensive systems for detecting hidden weapons, and chemical and biological agents. Engineers ...

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