Tiny creatures so small that they've been overlooked by scientists may be slinking around your body right now -- and they're probably up to no good.

Is there another way to mix genes besides sex?

The Internet can be viewed as a graph, and that means you can do some interesting math with it.

The first animal cloning was performed with a baby's hair and tweezers.

The deeper you look into space, the more amazing it looks.

What you need to know before you buy a telescope.

Mad cow disease illuminates learning and memory.

Simple chemistry can provide some surprisingly complex shapes.

A long-held theory comes to a shocking end.

Scientists can see your thoughts. You won't believe what's on your mind.

Bacteria are talking behind your back. You should hear what they're saying.

Some people see with their ears and hear with their eyes. These 'crossed wires' may expose the workings of the brain.

Aristotle came close to discovering stem cells more than two thousand years ago. Will we have to wait another two millennia for a therapy?