8,311 results
8,311 results for: Fish
- Animals
Guppies fall for a classic optical illusion. Doves, usually, do too
Comparing animals’ susceptibility to optical illusions can show how perception evolved.
- Animals
Giant, deep-sea roly-polies steal a gene to endure starvation
The enormous deep-sea cousins of your garden’s pill bugs can go five years without food. A gene they pilfered from bacteria may be part of the secret.
- Animals
Crabs’ sideways walk may have evolved just once
A study of 50 crab species in Japan traces the iconic sideways walk to a single ancestor, suggesting the trait drove the group's remarkable diversity.
- Paleontology
Mummified reptile hints at the origins of how we breathe
A cave preserved two animals’ rib cages, cartilage and even traces of protein, revealing a flexible breathing apparatus like that of today’s land dwellers.
- Science & Society
How real is the Cyclops in The Odyssey?
The iconic one-eyed monster coming to movie screens in July in The Odyssey might have more in common with tiny water critters than with humans.
- Animals
Sharks are ingesting drugs in the Bahamas
Nearly one third of sharks studied near the Bahamas’ Eleuthera Island were found to have caffeine, painkillers and other drugs in their bloodstreams.
- Health & Medicine
What freediving can reveal about human health — and our limits
The practice of freediving is teaching physiologists how humans stretch their physical and mental limits, which in turn may improve treatments for lung and heart ailments.
- Microbes
New science on algae die-offs is too late for the Reflecting Pool
Iron and hydrogen peroxide trigger cell death via ferroptosis, which cascades killer molecules through the population, causing mass die-offs of algae.
- Animals
Honeybees and shrimp are now getting vaccinated
A shrimp vaccine for commercial use could protect the environment and prove vaccines aren’t just for vertebrates.
- Animals
These are our favorite animal stories of 2025
From clever cockatoos to vomiting spiders, these cool critters captivated us this year.
- Humans
Napoleon’s retreating army may have been plagued by these microbes
DNA from Napoleonic soldiers’ teeth uncovered two fever-causing bacteria that may have worsened the army’s fatal retreat from Russia.
- Paleontology
Fossilized vomit reveals 290-million-year-old predator’s diet
The regurgitated material from before the time of dinosaurs provides a rare window into the feeding habits of a prehistoric hunter.
