Arabidopsis thaliana shoots regenerate better in balmy conditions

Warm temperatures strongly enhance the regeneration of thale cress shoots, plant scientists at RIKEN have found. They have also uncovered the molecular mechanism behind this effect, which will help optimize the regeneration ...

Scientists discover comet's hourglass-shaped dust trail

Researchers from Finland, Canada, and Russia have discovered an unusual, hourglass-shaped dust trail of the comet 17P/Holmes. The particles that formed the dust trail were released by the most powerful of the thus-far documented ...

Spiral galaxy NGC 772 features an overdeveloped spiral arm

This impressive image shows the strangely lopsided spiral galaxy NGC 772, which lies over 100 million light-years from Earth in the constellation Aries. Captured by the Gemini North telescope in Hawai'i, one half of the international ...

Meet a colorful but color-blind spider

Jumping spiders, the flamboyant dandies of the eight-legged set, have names inspired by peacocks, cardinals and other colorful icons.

How a fly's brain calculates its position in space

Navigation doesn't always go as planned—a lesson that flies learn the hard way, when a strong headwind shunts them backward in defiance of their forward-beating wings. Fish swimming upriver, crabs scuttling sideways, and ...

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