DNA Sheds Light On Settlement of Pacific

Astronomers detect earliest evidence yet of hydrogen in the universe

Seeing the brain’s electrical activity

MIT researchers have come up with a new way to measure electrical activity in the brain. Their new light-sensitive protein can be embedded into neuron membranes, where it emits a fluorescent signal that indicates how much voltage a particular cell is experiencing. This could allow scientists to study how neurons behave, millisecond by millisecond, as the brain performs a particular function.

The man who bottled evolution

Thirty years ago, MSU researcher Richard Lenski added his now-famous bacteria to 12 inaugural flasks, a process he and his team of lab technicians and students have been repeating daily ever since.