Obese people now outnumber smokers by two to one
Also, one in 10 children are obese by the age of five, rising to one in five by age 11
DNA study suggests Europe was the home of early Neanderthals
They left their mark in Europe and central Asia and on the genes of many people today
Sperm can survive in Space, but don’t expect any Space Babies soon
The effect of microgravity is just one of many hurdles researchers must clear before safe human reproduction beyond earth becomes technically feasible