8,305 results
8,305 results for: Fish
- Animals
A 50-million-year-old fossil captures a swimming school of fish
Analysis of a fossilized fish shoal suggests that animals may have evolved coordinated group movement around 50 million years ago.
- Animals
Tiny structures in dragonfish teeth turn them into invisible daggers
The teeth of deep-sea dragonfish are transparent because of nanoscale crystals and rods that let light pass through without being scattered.
- Anthropology
Ancient humans used the moon as a calendar in the sky
Whether the moon was a timekeeper for early humans, as first argued during the Apollo missions, is still up for debate.
- Animals
Shy fish no bigger than a pinkie provide much of the food in coral reefs
More than half of the fish flesh that predators in coral reefs eat comes from tiny, hard-to-spot species.
- Chemistry
How seafood shells could help solve the plastic waste problem
Chitin and chitosan from crustacean shells could put a dent in the world’s plastic waste problem.
- Oceans
Tiny plastic debris is accumulating far beneath the ocean surface
Floating trash patches scratch only the surface of the ocean microplastic pollution problem.
- Climate
Thousands of birds perished in the Bering Sea. Arctic warming may be to blame
A mass die-off of puffins and other seabirds in the Bering Sea is probably linked to climate change, scientists say.
- Archaeology
Cave debris may be the oldest known example of people eating starch
Charred material found in South Africa puts energy-rich roots and tubers on Stone Age menus, long before farming began.
- Animals
Deep-sea fishes’ eye chemistry might let them see colors in near darkness
An unexpected abundance of proteins for catching dim light evolved independently in three groups of weird deep-sea fishes.
- Planetary Science
How NASA has kept Apollo moon rocks safe from contamination for 50 years
NASA wouldn’t let our reporter touch the Apollo moon rocks. Here’s why that’s a good thing.
- Earth
Only a third of Earth’s longest rivers still run free
Mapping millions of kilometers of waterways shows that just 37 percent of rivers longer than 1,000 kilometers remain unchained by human activities.
- Life
1 million species are under threat. Here are 5 ways we speed up extinctions
One million of the world’s plant and animal species are now under threat of extinction, a new report finds.
