Search Results for: Fish
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8,241 results for: Fish
- Science & Society
The U.S. empire was built on bird dung
A mid-1850s act let the United States seize islands rich in bird guano. Those strategic outposts fueled the U.S. rise to power, a researcher says.
By Sujata Gupta - Animals
Giant rats could soon help sniff out illegally smuggled goods
African giant pouched rats can detect landmines and diseases. Now some have been trained to sense elephant ivory, pangolin scales and more.
- 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.
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When pain really is in your head
Editor in chief Nancy Shute discusses the complexity of chronic pain, the spread of diseases and training crocs to avoid eating certain toads.
By Nancy Shute - 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 - Environment
A biogeochemist is tracking the movements of toxic mercury pollution
Exposing the hidden movements of mercury through the environment can help reduce human exposure.
By Nikk Ogasa - Animals
The story of dire wolves goes beyond de-extinction
Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.
By Meghan Rosen - Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Animals
Why a small seabird dares to fly toward cyclones
Tracking data show that Desertas petrels often veer toward cyclones and follow in their wake, perhaps to catch prey drawn to the surface.
- 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.