News
- Climate
Polar bears in the Barents Sea are staying fat despite rapid sea ice loss
Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it may not last.
- Health & Medicine
Artificial lungs kept a man alive until he could get a transplant
A new artificial lung system might keep people without lungs alive for weeks. Like real lungs, tubes and pumps oxygenate blood and maintain blood flow.
- Physics
A massive clump of dark matter may lurk in the Milky Way
Pulsating remnants of stars hint at a clump of invisible matter thought to be about 10 million times the sun’s mass.
