Humans Are Rapidly Evolving and Mutating

Not only are human beings still evolving, but it looks like life in civilization may be pressuring us to evolve faster than ever. A groundbreaking new study published today in Proceedings of the National Academy of Sciences suggests that the cultural environment of homo sapiens, including high population density and… » 12/11/07 11:30am 12/11/07 11:30am

Tropics Expand and Stem Cells Repair Major Skull Damage

  • It's official: the Earth is getting more tropical. Global warming has expanded the tropical band around the center of the planet over the past two decades, and it looks like it will expand more over the next century. [Reuters]
  • Researchers repaired major skull damage in mice using human embryonic stem cells. They grew…
  • » 12/03/07 11:00am 12/03/07 11:00am