8,298 results
8,298 results for: Fish
- 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.
- 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.
- Animals
Animals experience joy. Scientists want to measure it
Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.
- 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.
- Microbes
This giant microbe organizes its DNA in a surprising way
3-D microscopy shows that the giant bacterium Thiovulum imperiosus squeezes its DNA into peripheral pouches, not a central mass like typical bacteria.
- Genetics
Why African striped mice can be the best of dads — or the worst
Environmental cues can flip a molecular switch in the brain, turning males from caregivers to killers.
- Math
Huge Numbers tackles mathematics at its most incomprehensibly large
Mathematician Richard Elwes surveys googology, the study of enormous numbers, in a new book.
- Animals
This desert beetle runs to cool off
After a sprint, the temperature of the beetle Onymacris plana drops. Efficient running, a body built for cooling and a little bit of lift all help.
- Animals
A sea turtle boom may be hiding a population collapse
In Cape Verde, conservation has boosted the sea turtle population 100-fold — but the male-female balance is way off.
- Climate
Antarctic krill eject more food when it’s contaminated with plastic
Antarctic krill don’t just sequester carbon in their poop; they also make carbon-rich pellets out of leftovers. But microplastics may throw a wrench in the works.
- Animals
Secrets of the Bees zooms in on life in a hive
A new documentary available on Disney+ and Hulu appeals to our sense of wonder to highlight why bees need saving.
- Animals
Wild monkeys invaded Florida. Should people protect them?
A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.
