Animals
Analyze This: How sea slugs get their flashy colors
Crystals beneath the skin of nudibranchs, also called sea slugs, allow the creatures to make an array of intense hues with just one material.
Waves and Their Applications in Technologies for Information Transfer
More Stories in Waves and Their Applications in Technologies for Information Transfer
- Physics
Thunderstorms can make trees twinkle with an electric glow
The tiny, storm-driven electric zaps dance and jump around pine needles and other leaves. Videos have just captured that subtle flickering in forests.
- Life
Scientists Say: Biophoton
All living things glow with this mysterious light. But scientists need ultra-sensitive tools to detect it.
- Animals
Analyze This: How many insects are in the air?
Weather data have helped estimate the density of flying insects in U.S. skies. That could help track climate change’s impact on insects.
- Physics
Physics explains why sneakers squeak on the basketball court
We’re hearing a shoe’s sole wrinkling in bursts that repeat thousands of times each second.
- Physics
Could a Star Wars lightsaber work?
The main problem with real-world lightsabers is that they would pass through each other. This means no intergalactic duels between Jedis and Siths.
- Space
Scientists Say: Bolide
It starts as a flash. Then comes the sonic boom. The boldest meteors often go out with a bang.
- Physics
Could a person ever wield lightning as a weapon?
From the shocking powers of electric eels to laser-guided lightning, aiming electricity is more real than it sounds.
- Animals
Is it possible to be invisible?
Fiction is full of characters with the power to vanish. But some animals have real-life ways to become nearly invisible.
- Environment
Nuclear weapons tests many decades ago have left a radioactive legacy
Decades of aboveground nuclear weapons tests, starting in the 1950s, lightly littered the planet with toxic fallout, which appears to have sickened some people.
