Animals
Weird? These bat toes can glow greenish-blue
Hairy bristles on the toes of Mexican free-tailed bats fluoresce under UV light. The reason is a mystery.
By Jason Bittel
Energy
More Stories in Energy
- Physics
Physics explains why poured water burbles the way it does
The loudness of falling water depends on the height of the pour and the thickness of the stream.
- Artificial Intelligence
To ‘green’ AI, scientists are making it less resource-hungry
Energy demands of ChatGPT and similar AI tools can threaten Earth’s climate. So researchers have begun redesigning how to run data centers and build AI.
- Physics
Experiment: Where does a bouncing basketball’s energy go?
Let’s explore whether energy loss to heat could explain why a basketball doesn’t bounce back to its original height.
- Physics
Heat makes water evaporate. Now it appears light can, too
In the lab, shining light on water made it evaporate faster. This never-before-seen effect, if real, might be happening naturally all around us.
- Physics
Experiment: How well do different materials create static electricity?
Why are some materials more susceptible to static cling than others? Investigate by making your own electroscope.
- Tech
Nanobots can now enter brain cells to spy on what they’re doing
Fleets of advanced versions may one day be able to detect disease and then go about surgically treating it — without ever opening the skull.
- Tech
Gravity ‘batteries’ might help a weighty renewable-energy problem
To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.
- Tech
New device can harvest clean energy from humid air anywhere
Unlike solar power, this new source of electricity is available day or night.
- Tech
High-tech solar ‘leaves’ create green fuels from the sun
Chemists make a liquid alternative to fossil fuels from carbon dioxide, water and the sun. Their trick? They use a new type of artificial leaf.
