For months, the caterpillar scavenges spider webs for scrapped insect body parts to cover its protective case. Later, that case will serve as its cocoon.
For decades, scientists have worked to phase out the use of animals in research. AI, ‘lungs’ on a chip and more are bringing that goal closer.
The undersea world can host a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
Bananas make their own natural sunscreens. A teen thinks these could work to protect our skin as well, while being safe for aquatic life.
This little-known allergy, known as alpha-gal syndrome, is potentially deadly. Here’s what we know about it — and how to avoid the tick bites that seem to cause it.
Without constant gravity, plants waste energy twisting and coiling, trying to reach toward the sun. Teen ISEF finalists might have found a solution.
If you want a sweet treat when you feel full after a big meal, blame your brain. Tests in mice and people suggest that the same cells signal satiety and a hunger for sugar.
These findings could help reveal when and why falling for optical illusions evolved in animals.
Brain activity during vocalizing in small parrots — called budgerigars or parakeets — shows a similar pattern to what’s seen in people.
