Alaska | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/alaska/RSS feed for AlaskaenThu, 01 Oct 2026 13:00:00 +0000Meet This Year's Chonky Champion of Fat Bear Week: Backpack, a Laid-Back 20-Year-Old Male Who's a 'Stoic Presence on the River'https://www.smithsonianmag.com/smart-news/meet-this-years-chonky-champion-of-fat-bear-week-backpack-a-laid-back-20-year-old-male-whos-a-stoic-presence-on-the-river-180989595/The brown bear, who now weighs between 1,000 and 1,200 pounds after fattening up on salmon, earned his nickname as a cub. When he was little, he enjoyed riding on his mom's back as she swam across a riverThu, 01 Oct 2026 13:00:00 +0000https://www.smithsonianmag.com/smart-news/meet-this-years-chonky-champion-of-fat-bear-week-backpack-a-laid-back-20-year-old-male-whos-a-stoic-presence-on-the-river-180989595/Tyrannosaurus Rex Was a Warm-Blooded Dinosaur, With a Body Temperature Similar to That of Humans, Study Suggestshttps://www.smithsonianmag.com/smart-news/tyrannosaurus-rex-was-a-warm-blooded-dinosaur-with-a-body-temperature-similar-to-that-of-humans-study-suggests-180989519/A tooth analysis hints that the fearsome predator ran at a toasty 97 degrees Fahrenheit. Maintaining that internal temperature may have allowed it to inhabit a range stretching from modern-day Alaska to Mexico during the Cretaceous periodFri, 18 Sep 2026 15:59:36 +0000https://www.smithsonianmag.com/smart-news/tyrannosaurus-rex-was-a-warm-blooded-dinosaur-with-a-body-temperature-similar-to-that-of-humans-study-suggests-180989519/