8,291 results
8,291 results for: Fish
- Animals
Fish can recognize themselves in photos, further evidence they may be self-aware
Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.
- Animals
Northern elephant seals sleep just two hours a day at sea
The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.
- Life
Orca moms baby their adult sons. That favoritism pays off — eventually
By sharing fish with their adult sons, orca moms may skimp on nutrition, cutting their chances of more offspring but boosting the odds for grandwhales.
- Archaeology
What did Homo sapiens eat 170,000 years ago? Roasted, supersized land snails
Charred shell bits at an African site reveal the earliest known evidence of snail-meal prep, suggesting ancient humans cooked and shared the mollusks.
- Health & Medicine
A gel cocktail uses the body’s sugars to ‘grow’ electrodes in living fish
A chemical reaction with the body’s own sugars turned a gel cocktail into a conducting material inside zebrafish brains, hearts and tail fins.
- Animals
Here are 3 people-animal collaborations besides dolphins and Brazilians
Dolphins working with people to catch fish recently made a big splash. But humans and other animals have cooperated throughout history.
- Paleontology
Paleontology has a ‘parachute science’ problem. Here’s how it plays out in 3 nations
When researchers study fossils from lower-income countries, they often engage in dubious or illegal practices that can stifle science.
- Animals
Cockatoos can tell when they need more than one tool to swipe a snack
Cockatoos know when it will take a stick and a straw to nab a nut in a puzzle box. The birds join chimps as the only known nonhumans to use a tool kit.
- Paleontology
In the wake of history’s deadliest mass extinction, ocean life may have flourished
Ocean life may have recovered in just a million years after the Permian-Triassic mass extinction, fossils from South China suggest.
- Earth
The Great Salt Lake is shrinking. What can we do to stop it?
A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.
- Climate
How wildfires deplete the Earth’s ozone layer
Scientists detail the chain of chemical reactions that occur when wildfire smoke enters the stratosphere.
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