8,269 results
8,269 results for: Fish
- Ecosystems
Sperm whales may team up to herd prey
Data recorders yield first hints of coordinated feeding behavior.
- Life
Evolutionary genetic relationships coming into focus
Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.
- Life
Mosquito fish count comrades to stay alive
New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.
- Health & Medicine
Dolphins may offer clues to treating diabetes
Insulin-resistance switch helps maintain glucose levels in dolphin brains, suggesting possible clues to treating diabetes in people.
- Earth
Moby Dick meets Jaws
A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.
- 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.
- 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.”
