Author Archives: Roberta Kwok

Secrets of the world’s extreme divers

By Roberta Kwok / April 24, 2011
Diving Emperor Penguin

For emperor penguins and other animals,
being able to hold their breath the longest could be in the blood

Posted in Animals | Tagged , , , ,

These gems make their own way

By Roberta Kwok / May 25, 2010

Gemstones made in the lab could improve your cell phone or catch nasty bacteria in your water.

Posted in Chemistry | Tagged , ,

Scientist Profile: Wally Gilbert

By Roberta Kwok / March 30, 2010
a1953_1195

Wally Gilbert is interested in just about everything. He began by studying physics and then switched to biology, eventually winning an Albert Lasker Basic Medical Research Award in 1979 and then a Nobel Prize in Chemistry in 1980.

Posted in Uncategorized | Tagged

Little Beetle, Big Horns

By Roberta Kwok / May 15, 2007

Why do dung beetles have horns? Biologists sniff out some answers.

Posted in Animals