The Eye-Popping Moment When Human Life Begins

This dazzling image looks like an orange sun blazing in an alien sky, but it's actually a micrograph of in-vitro fertilization, showing the moment at which the sperm penetrates the egg's membrane. It's just one of many award-winning science images. » 10/16/09 7:30am 10/16/09 7:30am

When (Microscopic) Blood Vessels Explode

The Wellcome Trust, a medical research charity, has just announced the winners of its 2008 imaging contest. Above is my favorite, a picture of a microscopic blood vessel that has ruptured. You can see single red blood cells slowly leaking out. This was taken by Anne Weston, with a scanning electron micrograph. She… » 3/27/08 4:00pm 3/27/08 4:00pm