'Likes' less likely to affect self-esteem of people with purpose

How many likes did I get? The rush of self-esteem that comes with the ubiquitous thumbs-up has more people asking that question, as Facebook and other social media sites offer more ways for friends to endorse photos and posts.

Mother bats use baby talk to communicate with their pups

When talking to babies, humans slow down their speech, raise their pitch and change the "color" of their voice. This 'baby talk,' as people know it, increases the infant's attention and facilitates language learning. Among ...

Ten ways climate change can make wildfires worse

As out-of-control wildfires ravage large swathes of Portugal, Spain and northern California, AFP talked to scientists about the ways in which global warming can amplify the problem.

Black hole nurtures baby stars a million light years away

Black holes are famous for ripping objects apart, including stars. But now, astronomers have uncovered a black hole that may have sparked the births of stars over a mind-boggling distance, and across multiple galaxies.

Measuring the effect of water vapor on climate warming

Water vapor is a potent greenhouse gas. In the atmosphere, the concentration of water vapor increases with the temperature, setting up a powerful positive feedback loop. This water vapor feedback is the strongest known positive ...

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