8,304 results
8,304 results for: Fish
- Anthropology
A 104-centimeter-long hair could rewrite recordkeeping in Inca society
Analysis of the hair used in a knotted device reveals the owner’s simple diet. That suggests commoners, not just the elite, kept records in Inca society.
- Paleontology
An ancient reptile’s fossilized skin reveals how it swam like a seal
A reptile fossil is the first of its kind with skin and partially webbed feet, possibly showing how later species like plesiosaurs adapted to water.
- Animals
Narwhals may use their iconic tusks to play
Videos show narwhals using their tusks in several ways, including prodding and flipping a fish. It’s the first reported evidence of the whales playing.
- Paleontology
Dinosaur teeth reveal some were picky eaters
The enamel in fossilized teeth reveals some dinosaurs preferred to eat particular parts of plants.
- Health & Medicine
‘Butt breathing’ could help people who can’t get oxygen the regular way
Takanori Takebe’s strange investigation into whether humans can use the gut for breathing has surprisingly sentimental origins: helping his dad.
- Health & Medicine
Peptides are unproven as health aids. FDA may unleash them anyway
Rather than reining in the compounds, the FDA may be poised to broaden access, perhapas even adding peptides to supplements. Experts say “buyer beware.”
- Animals
Dolphins and humans team up to catch fish in Brazil
In Brazil, where humans and dolphins fish in tandem, cooperation both within and between species is essential for the longstanding tradition.
- Animals
Some killer whales hunt in pairs to maximize their bounty
Drone footage from Norway shows killer whales using a highly coordinated and cooperative hunting technique to catch herring.
- Animals
Is that shark ticking? In a first, a shark is recorded making noise
The ocean can be a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
- Animals
Hammerhead sharks’ diets may affect if they roam or stay home
Understanding hammerhead sharks’ food preferences could aid efforts to protect the critically endangered fish.
- Ecosystems
Like flyways for birds, we need to map swimways for fish
Mapping fish migration routes and identifying threats is crucial to protecting freshwater species and their habitats, ecologists argue.
- Climate
Why we fail to notice climate change
People quickly normalize extreme weather. Simple visuals highlighting abrupt change could help climate change break through our mental blind spots.
