8,240 results
8,240 results for: Fish
- Life
For pipefish, measly Mr. Mom needs help
In species with pregnant males, females may put something extra into eggs.
- Life
One ocean, four (or more) killer whale species
Killer whales may be at least four species, a new study of mitochondrial DNA shows.
- Humans
2012 budget offers pain and gain for R&D
In a year of federal belt-tightening, the administration prioritizes basic research, education, clean energy and environmental science.
- Life
Animal 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.
- Health & Medicine
Vitamin B6 linked to lowered lung cancer risk
High levels of folate and the amino acid methionine also seem to help, a new study finds.
- Life
Orangutans can mime their desires
Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.
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Botanical Whales
Adventures in the Tortugas reveal that seagrass fields need saving too.
- Health & Medicine
Few Americans eat right
The Institute of Medicine periodically issues recommendations on what people should eat to be healthy and maintain a reasonable weight. Americans have largely ignored this well-intentioned advice, a new study shows. It reports that “nearly the entire U.S. population consumes a diet that is not on par with recommendations.”
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Making Nuanced Memories
New nerve cells help the brain tell similar experiences apart.
- Life
Old fish, new fish, red fish, blue fish
A difference in vision in cichlids in Lake Victoria could be pushing a species to split into two.
- Humans
AAAS: Climate-friendly fish
Many intangibles determine how big — or small — the carbon footprint is of that fish you're thinking about eating.
- Life
Parks not burdening poor neighbors, study says
New research examines controversy over conservation areas by studying poverty in Costa Rica and Thailand.
