Glia guide brain development in worms

Mind-blowing. In C. elegans, fluorescent images show that when brain cells called glia are zapped — and killed — with a microscopic laser, neurons (red) survive but are highly abnormal (right) compared to normal ones (left).


New penguin species found in New Zealand

Nov 19, 2008
Mounted specimen of Yellow-eyed Penguin. Photos courtesy of Canterbury Museum.

Dry spells spelled trouble in ancient China: Weakening of summer monsoons to blame

Nov 06, 2008
Asian monsoons, Northern Hemisphere temperatures and alpine glacier data across 1,800 years are compared. Credit: Zina Deretsky, National Science Foundation

New type of fuel in Patagonia fungus

Nov 04, 2008
Colorized environmental scanning electron microscope photo of Gliocladium roseum, an endophtic fungus that produces myco-diesel hydrocarbons. (Photo courtesy of Gary Strobel.)

Inland ants prefer salty snacks to sweet

Oct 27, 2008
One way to explore ant preferences for sugar and salt is to place a bit of cotton soaked in either solution (in this case, sodium chloride or salt) in a micro-centrifuge vial. Luckily, ants can't read. (Stephen P. Yanoviak/ ...

Blue bananas

Oct 20, 2008
Ripening bananas exhibit intense blue luminescence under UV light. Their luminescence arises from fluorescent chlorophyll catabolites which accumulate in the banana peels during ripening; their natural further conversion ...