IT'S NOT EASY TO SWIM 109 MILES WHEN YOU'RE starving to death. It's not easy either to try to survive when you're shedding body weight at a rate of 2.2 lb. a day. And it might be the hardest-or at least most tragic-of all if you're a nursing mom and your calorie intake has dropped so low that you can no longer produce the milk you need to care for your young.
As a new paper in Nature Communications reveals, all of those challenges and more are facing the world's polar bears, thanks to vanishing sea ice in our warming world, denying the animals a platform that they need to hunt for seals. If the trend isn't reversed soon, the estimated 26,000 polar bears in the wild could start to lose their hold on survival before the middle of this century.
The researchers were less interested in establishing the fact of the bears' food plight; scientists are already aware of that problem. What they were more focused on learning was both how gravely the nutritional loss is affecting the animals' health and the alternative food sources they're scrounging for on land.
この記事は Time の March 11, 2024 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です ? サインイン
この記事は Time の March 11, 2024 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
How Trump Won
THE FORMER PRESIDENT'S RE-ELECTION IS THE NEXT STEP IN A POLITICAL CAREER UNLIKE ANY OTHER IN AMERICAN HISTORY
Zak Brown The McLaren Racing CEO on Formula One in the U.S., his team's chase for a championship, and the future propulsion of the automobile
The McLaren F1 team is in the running for its first Formula One constructors' championship since 1998. What's that like? I'm kind of living on the edge of my seat. That's why sport is always going to be one of the most engaging forms of entertainment for people around the world.
Say Nothing speaks volumes
IN 1972, AT THE BLOODY HEIGHT OF the Troubles, home invaders abducted a widowed mother of 10 named Jean McConville from her Belfast apartment. Her children never saw her alive again.
Portrait of the artist in his ninth decade
AS A CURATOR AT THE PHILADELPHIA MUSEUM OF ART, Eleanor Nairne is very particular about how an artwork should be placed. \"I always say that you have to ask the work if it's sat comfortably,\" she says.
No rest for the songs of Wicked
THE WICKED WITCH OF THE WEST HAS BEEN A FIXTURE in American culture for nearly 125 years. After coming to life in 1900 with L. Frank Baum's novel The Wonderful Wizard of Oz, she rose to prominence onscreen in 1939, portrayed by Margaret Hamilton as a sinister old lady intent on ruining an innocent girl's wish to go home.
SENTIMENTAL VALUE
With Here, Robert Zemeckis stays true to his unlikely blend of new technologies and old-fashioned storytelling
TIME 100 CLIMATE
These are the 100 most influential leaders driving business climate action
BABY TALK
UNSURE ABOUT HAVING KIDS? THERAPIST MERLE BOMBARDIERI CAN HELP YOU FIGURE IT OUT
The many horrors of the Pelicot rape trial
THE TRIAL OF DOMINIQUE PELICOT, THE MAN IN THE South of France who pleaded guilty in September to charges of secretly drugging his wife of 50 years, Gisele, and, over the course of about a decade, filming dozens of men as they had sex with her while she was sedated, would have been disturbing enough just as the story of an epically vile husband.
Health Matters
COVID-19 MAY NOT BE A PUBLIChealth emergency anymore, but you still need your yearly shot. In fact, it seems to peak about twice a year: once during the traditional respiratory-disease season in the fall and winter, and once during summer.
