bacteria

The Secret World of Microbes

March 21, 2011

Since the time of Linnaeus, scientists have loved classifying the world around them. But while centuries of biologists have worked to collect and categorize the plants and animals of Earth, all that work likely only covers about a minute fraction of [Read more]

A Locksmith & The Immune Army

January 3, 2011

The immune system relies heavily on memory and recognition, with its success dependent on marshaling defenses against only the right infectious invaders. Scientists are finding that this memory requires a lot of moving parts, including molecules [Read more]