Hockey contributes a lot to activity levels compared to other sports. from shutterstock.com Teenagers who play organised sport only get seven minutes more physical activity per day, on average, than teenagers who don’t play any sport. Our research, published in the Journal of Science and Medicine in Sport, found organised sport […]

GETTY IMAGES Environmental campaign group Extinction Rebellion is staging protests intended to cause “major disruption” in five UK cities. So, who are its supporters and what are they hoping to achieve? What is Extinction Rebellion? Extinction Rebellion (“XR” for short) describes itself as an international “non-violent civil disobedience activist movement”. […]

A pilot project to test the DNA of migrant families at the US-Mexico border raises concerns about the rise of a genetic surveillance state. MARK RALSTON/GETTY IMAGES STARTING AS SOON as next week, the Department of Homeland Security will begin piloting a DNA testing program at the US-Mexico border intended to expose immigrants […]

This 1944 view of Saturn as seen from its largest moon, Titan, is one of Chesley Bonestell’s most famous paintings. The artist used his knowledge of astronomy to depict the ringed planet at the correct angular size for Titan’s orbital distance. (Credit: Courtesy Bonestell LLC.) Over the last half century, […]