HealthDo you run with bent arms? Turns out it doesn't make much difference A study found that people don’t use any more energy by running with their arms held straight, even though they found it was a more awkward running style 51¶¯Âþ
HumansAngela Saini video interview: The return of race in mainstream science If we know the idea of difference based purely on race is wrong, why do we still hang on to the idea of race in science, asks science writer Angela Saini. Regulars