New videos reveal the hidden lives of Andean bears
Camera collar footage is revealing the secret lives of Andean bears (Tremarctos ornatus), the only surviving South American ursid. A […]
During an allergic reaction, some immune cells attack others
Some immune cells stab their cellular partners during allergic reactions. Mast cells, the immune system’s security patrols, can trigger allergic
A pair of spacecraft will fly in formation to create artificial solar eclipses
A pair of spacecraft just launched to create hundreds of artificial solar eclipses in orbit. The European Space Agency’s mission,
Tech companies want small nuclear reactors. Here’s how they would work
To feed artificial intelligence’s voracious appetite for energy, tech companies are turning to small nuclear reactors. Last week, Google and
Climate stress can impair the romantic gift of male spiders
The blinding of friendship in spiders can lose a bit of vigor in uncertain climates. Men in places with rain
Some countries have eliminated malaria, but cases are increasing elsewhere
The world has made progress towards eliminating malaria, with 44 countries and one territory (La Réunion) certified as malaria-free. Egypt,
Astronomers see the astrosphere of a sun-like star for the first time
BOSTON – For the first time, astronomers have captured an image of an astrosphere around a sun-like star. This bubble
A near-Earth asteroid provides clues to a dark matter theory
A hypothetical “fifth force” could attract asteroids, if it exists. But asteroid Bennu shows no signs that its orbit has
Meet a scientist tracking cactus poaching in the Atacama Desert
Pablo Guerrero has been visiting cacti in the Atacama Desert all his life, first on family trips to the coast
US hospitals continue to close labor and delivery services
Increasingly, people giving birth cannot count on their nearest hospital to have the specialist health care they need. The researchers