Search Results for: Fish
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- Animals
A built-in pocket protector keeps sawfish from ‘sword fighting’ in the womb
What’s to prevent pups, with a snout that resembles a hedge trimmer, from slicing and dicing each other in mom’s uterus? Scientists have the answer.
- Animals
Eavesdropping on fish could help us keep better tabs on underwater worlds
Scientists are on a quest to log all the sounds of fish communication. The result could lead to better monitoring of ecosystems and fish behavior.
- Animals
Migratory fish species are in drastic decline, a new UN report details
The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.
- Environment
‘The High Seas’ tells of the many ways humans are laying claim to the ocean
The book explains how the race for ocean resources from fish to ores to new medicines — the Blue Acceleration — is playing out.
- Humans
Does social status shape height?
A controversial idea drawing on findings from the animal kingdom suggests there’s more to human stature than genetics and nutrition.
By Sujata Gupta - Animals
Fish beware: Bottlenosed dolphins may be able to pick up your heartbeat
Fish, sharks and platypuses are adept at sensing electrical signals living things give off. Bottlenosed dolphins make that list too, studies suggests.
- Animals
Pumping cold water into rivers could act as ‘air conditioning’ for fish
Hundreds of salmon, trout and other fish sought shelter from summer heat in human-made shelters, suggesting a way to help fish adapt to river warming.
By Nikk Ogasa - Life
This protist unfolds its ‘neck’ up to 30 times its body length to scout prey
With geometry’s help, 'Lacrymaria olor' can extend its long, necklike protrusion in less than 30 seconds.
- Archaeology
A new study challenges the idea that Rapa Nui islanders caused an ‘ecocide’
Rapa Niu islanders farmed and fished enough to feed only a few thousand people, too few to decimate society before Europeans arrived, researchers contend.
By Bruce Bower - Animals
Beneficial bacteria help these marine worms survive extreme cold
Three species of marine worms living in Antarctic waters have beneficial relationships with bacteria that produce antifreeze proteins.
- Paleontology
How did an ancient shark parasite end up fossilized in tree resin?
A worm preserved in 99-million-year-old amber resembles modern flatworms in shark intestines. The rare finding has scientists stumped.
- Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.