Sergeant Major of the Marine Corps Carlos Ruiz is 50 and still trains with Marines worldwide. Here's how he trains to stay mission-ready.

As December's chill settled over Gaza, the family's nylon tent offered little refuge. Until Wednesday night, when 29-day-old Saeed, his tiny body wracked by the cold, did not respond. The infant, who had been born prematurely and very underweight, became the second baby to die of hypothermia in recent days at Nasser Hospital, doctors said Thursday.

France's upper house of parliament, the Senate, voted on Tuesday evening in favour of banning numerous social media platforms for children and young people under 15. Senators want all platforms whose content or algorithms could harm children's self-development to be off limits.