8,276 results
8,276 results for: Fish
- Humans
Napoleon’s retreating army may have been plagued by these microbes
DNA from Napoleonic soldiers’ teeth uncovered two fever-causing bacteria that may have worsened the army’s fatal retreat from Russia.
- Animals
This desert beetle runs to cool off
After a sprint, the temperature of the beetle Onymacris plana drops. Efficient running, a body built for cooling and a little bit of lift all help.
- Animals
These are our favorite animal stories of 2025
From clever cockatoos to vomiting spiders, these cool critters captivated us this year.
- Life
From viruses to elephants, nature thrives on tiled patterns
A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other key functions.
- 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.
- Animals
U.S. seal populations have rebounded — and so have their conflicts with humans
Alix Morris’s new book, A Year with the Seals, explores humans’ complicated relationship with these controversial marine mammals.
- Microbes
This giant microbe organizes its DNA in a surprising way
3-D microscopy shows that the giant bacterium Thiovulum imperiosus squeezes its DNA into peripheral pouches, not a central mass like typical bacteria.
- 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
Animals experience joy. Scientists want to measure it
Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.
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- Animals
The mysterious, extinct ‘Fuegian dog’ was actually a semi-tame fox
Historic European accounts long described the canids as domesticated dogs. A new study suggests that’s probably not true.
- Climate
Antarctic krill eject more food when it’s contaminated with plastic
Antarctic krill don’t just sequester carbon in their poop; they also make carbon-rich pellets out of leftovers. But microplastics may throw a wrench in the works.
