HumansAlzheimer’s and smoking genes suggest we’re still evolving In the 20th century, people in the UK evolved to be less likely to smoke heavily and get Alzheimer’s, but the changes were subtle and may not last 51¶¯Âþ
LifeMeet the turtles surviving an invasion of enormous tractors The eastern painted turtles must now live among enormous, noisy machinery – and studying them is offering clues to how animals survive alongside heavy industry 51¶¯Âþ