8,291 results
8,291 results for: Fish
- Paleontology
The Chicxulub asteroid impact might have set off 100,000 years of global warming
About 66 million years ago, the Chicxulub asteroid impact set off 100,000 years of global warming, an analysis of oxygen in fish fossils suggests.
- Animals
Here’s what narwhals sound like underwater
Scientists eavesdropped while narwhals clicked and buzzed. The work could help pinpoint how the whales may react to more human noise in the Arctic.
- Astronomy
Readers were curious about pendulum saws, laser tweezers and more
Readers had questions about Bronze Age pendulum saws, dark matter, lazer tweezers and more.
- Health & Medicine
At-home telomere testing is not a reliable marker of aging, researcher says
Telomere testing for consumers offers a poor measure of “biological age,” says Johns Hopkins oncologist Mary Armanios.
- Environment
A big analysis of environmental data strengthens the case for plant-based diets
A new study calculates the bonus for the planet of choosing more foods from plants.
- Animals
Green blood in lizards probably evolved four times
Pigment buildups that would cause jaundice in people are normal for some New Guinea skinks.
- Particle Physics
Readers puzzled by particle physics and a papal decree
Readers had questions about neutrinoless double beta decay and the history of domesticated rabbits.
- Chemistry
Want to build a dragon? Science is here for you
Fire-breathing dragons can’t live anywhere outside of a book or TV. But nature provides some guidance as to how they might get their flames. If they existed, anyway.
- Animals
‘The Curious Life of Krill’ is an ode to an underappreciated crustacean
A new book makes the case that Antarctic krill and the dangers they face deserve your attention.
- Animals
These caterpillars march. They fluff. They scare London.
Oak processionary moths have invaded England and threatened the pleasure of spring breezes.
- Animals
These seals haven’t lost their land ancestors’ hunting ways
Clawed pawlike forelimbs help true seals hunt like their land-dwelling ancestors.
- Animals
How a social lifestyle helped drive a river otter species to near extinction
A reconstruction of 20th-century hunting practices reveals why one species of Amazon river otters nearly went extinct while another persisted.
