Injury and illness surveillance, and epidemiological studies, are fundamental elements of concerted efforts to protect the health of the athlete. To encourage consistency in the definitions and ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Cross-electrophile coupling between unactivated alkyl halides and alkynyl halides has long been challenged by reactivity mismatch and poor chemoselectivity. Here the authors report nickel-catalysed ...