8,240 results
8,240 results for: Fish
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- Health & Medicine
Against the grains
People on either a low-carbohydrate or Mediterranean diet fared better over two years than those on a low-fat diet.
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The Next Ocean
Increasing carbon dioxide in the air is changing the pH of the ocean, which could mean very different communities of sea creatures.
- Paleontology
Back from the Dead?
The long-term disappearance of creatures from the fossil record and their later reemergence can provide insights into ancient environmental conditions and the trustworthiness of the fossil record itself.
- Animals
Clownfish noisemaker is new to science
Clownfish make "pop-pop-pop" noises at each other by clacking their teeth together in a novel way.
- Animals
Not Your Ordinary Amphibians
They resemble mondo worms or perhaps eels and snakes. But caecilians (seh sil yenz) are actually legless amphibians, and along with deep sea fishes are among the least well known vertebrates on the planet. Some run to a meter or more in length. Although information on these elusive animals and photos of them are hard […]
- Earth
Hammered Saws
Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.
- Earth
Seafloor chronicles
Survey of ocean floor reveals long history, from a geological fault to the wreckage of the Lusitania.
- Earth
Defining Toxic: Federal agencies look to cells, not animals, for chemical testing
Government scientists are collaborating to shift the testing of potentially toxic chemicals away from animals to methods that use high-speed automated robots, which should generate data relevant to humans faster and more cheaply than current methods.
- Ecosystems
Sawfish Central
Sawfish will soon be getting United Nations protection from exploitation. Right now, the only U.S. state where these ancient fish can generally be found—and then, only rarely—is Florida. Here’s a site to view the fish, a member of the shark family, and link to research aimed at rescuing populations of its seven beleaguered species worldwide. […]
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Light switch
A photosensitive molecule makes switching off a gene as simple as flicking on a light.
