Single-celled amoebas, the simplest creatures known, stick with kin in times of need.

The doctors of ancient Greece and China had it right when they applied cool and minty salves to soothe aches and pains.

WT-6 uses a tongue, lips and vocal cords.

Life seems to have enriched Earth with oxygen far earlier than currently supposed. The discovery, sure to be controversial, suggests life could arise earlier than now thought on alien planets, too.

The icecaps may not be the only thing shrinking in the Arctic. The genitals of polar bears in east Greenland are apparently dwindling in size due to industrial pollutants.

The above image shows a piece of metal on a silicon chip that has been melted by a laser pulse to look like a very small Easter bonnet. Credit: Qiangfei Xia/Princeton U. 2006 Art of Science Competition