8,269 results
8,269 results for: Fish
- Animals
Wild innovation
Researchers have published a rare description of a wild chimpanzee devising and modifying a novel form of tool use.
- Health & Medicine
Nonstick toxicity
By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.
- Earth
First wave
The presidents of two island nations draft escape plans, anticipating sea level rise.
- Life
Parenthood: Male sharks need not apply
A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.
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Broken Symmetry
Scientists seek mechanisms explaining development of the body’s left-right pattern.
- Ecosystems
Costs of Choked-Up Waters
Scientists tally the economic toll of fertilizing pollutants on water quality.
- Archaeology
Shipwrecks harbor evidence of ancient sophistication
Research on shipwrecks from two ancient, submerged harbors shows that frame-based shipbuilding emerged surprisingly early and then became more sophisticated within a few hundred years.
- Health & Medicine
Seemingly misplaced DNA acts as lenses
Nocturnal animals orient DNA in retinal cells to focus light.
- Plants
Landscaper’s darling hybridizes into an environmental nuisance
Variation underlies the Callery pear tree’s transformation .
- Ecosystems
Coastal dead zones expanding
The number of coastal areas known as dead zones is on the rise. A new tally reports more than 400 of the oxygen starved regions worldwide.
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Seeing Again: Blind fish parents have fry that see
Cross two strains of blind cavefish that have lived in the dark for a million years, and some of their offspring will be able to see.
- Life
Tough times for mammals
Between a fifth and a third of the world’s mammal species face the threat of extinction.
