Relive Prem Rugby semi-final: Seven-try Saints reach final with thrilling win over Leicester Tigers

Follow live text updates and listen BBC radio commentaries as Northampton host Leicester in the English Prem play-off semi-final.
MIT Technology Review

Why this year’s World Cup ball may not fly as far

A team of outside researchers has been studying how Adidas’s redesigned soccer ball cuts through the air. Much is new about this month’s upcoming FIFA World Cup tournament, which will be held in the ...