Ancient tools suggest humans spread across Eurasia earlier than previously thought

The story of human history is patchy at best, but now another patch may have been filled in. Archaeologists have found ancient tools at a dig site in Mongolia, indicating that humans were on the scene about 45,000 years ago, which is much ear… Continue reading Ancient tools suggest humans spread across Eurasia earlier than previously thought

Stem cell map shows how immortal invertebrate regenerates itself

Our bodies do a decent enough job of repairing themselves, able to patch up wounds, fight off infections and even heal broken bones. But that only applies up to a certain point – lose a limb, for example, and it’s not coming back short of a p… Continue reading Stem cell map shows how immortal invertebrate regenerates itself

Neanderthal and unknown human ancestor DNA found in the "dark heart" of chromosomes

Genes get shuffled and re-dealt with every new generation, meaning many are relatively recent. But while exploring the “dark heart” of the human genome, geneticists have now found some of the most ancient pieces of DNA, inherited from Neander… Continue reading Neanderthal and unknown human ancestor DNA found in the "dark heart" of chromosomes