The SpudCell certainly resembles a living cell, but a key structure inside the cell falls short of the real thing ...

Frances Arnold on directed enzyme evolution: random mutation plus smart screening, and why it changed enzyme engineering and ...

For years, the common belief among scientists was that human evolution had basically slowed to a crawl once we invented ...

In most modern cells, DNA stores the genetic blueprint, and relies on proteins to replicate, repair and build from those ...

In most modern cells, DNA stores the genetic blueprint, and proteins replicate, repair and build from those blueprints. At ...

But unlike other artifacts unearthed at ancient sites, rock art is difficult to link to its creators. Since it often adorns ...

For more than 150 years, scientists have debated when and how the Colorado River first carved its way through the Grand ...