LifeKalahari trackers who read ice-age life in footprints Generations of archaeologists puzzled over ice-age footprints in French caves – but these three men can read them like a book Features
LifeSynthetic primordial cell copies RNA for the first time Genetic information inside simple cells designed to mimic primordial life has been copied, with the help of a chemical made from citric acid ¿ìè¶ÌÊÓÆµ