8,283 results
8,283 results for: Fish
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Good with tools? You may be a cockatoo
Editor in chief Nancy Shute talks about smart animals, from tool-using cockatoos to "self-aware" fish.
- Anthropology
A surprising food may have been a staple of the real Paleo diet: rotten meat
The realization that people have long eaten putrid foods has archaeologists rethinking what Neandertals and other ancient hominids ate.
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- Animals
This sea cucumber shoots sticky tubes out of its butt. Its genes hint at how
A new genetics study is providing a wealth of information about silky, sticky tubes, called the Cuvierian organ, that sea cucumbers use to tangle foes.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
