Search Results for: Fish
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8,299 results for: Fish
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EarthGulf gusher is far and away the biggest U.S. spill
As cleanup efforts progress, scientists try to track missing oil roaming below the surface.
By Janet Raloff -
EarthAncient marine reptiles losing their cool
Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.
By Sid Perkins -
Health & MedicineVitamin B6 linked to lowered lung cancer risk
High levels of folate and the amino acid methionine also seem to help, a new study finds.
By Nathan Seppa -
LifeFishy odor just like dad’s
Imprinting on their fathers’ scent helps keep two fish species separate.
By Susan Milius -
EarthMoby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
By Sid Perkins -
LifeOcean acidification may make fish foolhardy
Rising carbon dioxide alters fish larvae’s sense of smell, which they use to avoid predators and find their way home.
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Health & MedicineFish oil may fight breast cancer
Other popular dietary supplements fail to show protection, a large study shows.
By Nathan Seppa -
EarthNew ‘walking’ fishes discovered in Gulf oil-spill zone
Pancake batfishes may be getting oiled before they get named.
By Susan Milius -
LifeAnimal sperm arose once
A gene governing production of male reproductive cells goes back to a common ancestor that lived about 600 million years ago, a study finds.
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AnimalsFearless tadpoles give invaders the edge
Clueless larvae don’t heed the scent of nonnative turtles, giving newcomers an edge over native species, a European study finds.
By Susan Milius -
LifeRemoving a barrier to regrowing organs
Depleting proteins that prevent cancer allowed heart cells to regenerate in mouse experiments.
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LifeOrangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
By Susan Milius