The traditional picture of Vikings is one of boatloads of hairy men pillaging their way along the coasts of Europe. Though true to some degree, this stereotype has more recently been tempered with the…
The unintended consequences of our agricultural food system – polluted air and water, dead zones in coastal seas, soil erosion – have profound implications for human health and the environment. So more…
The use of tools is one example of the growing capacity for analytical thought and invention in apes and early humans. The earliest flint-knapped stone cutting tools date from around 2.6 million years…
Life as we know it is carbon-based, that is, organic. These organic molecules containing mostly carbon and hydrogen are delicate to the ravages of time, relatively speaking. They aren’t usually preserved…
Many theories have been proposed for the evolution of dark skin pigmentation – and a new paper revives one of the oldest: that skin cancer was a more potent selective force for the evolution of protective…