8,297 results
8,297 results for: Fish
- Life
Salmon study: Dammed or not
Columbia River salmon have troubles all right, but dams may no longer top the list.
- Life
Schools make fish smarter
A study of consensus decision making shows that sticklebacks make wider choices in groups of three or more.
- Health & Medicine
Ginkgo biloba fails drug test
The herbal supplement Ginkgo biloba fails to prevent Alzheimer’s disease or other dementia, a large trial finds.
- Earth
Antidepressants make for sad fish
Fish may suffer substantially from even brief encounters with antidepressants, which wastewater releases into river water.
- Math
The influence of influence in Prisoner’s Dilemma
Cooperation wins out over betrayal when successful prisoners recruit followers.
- Animals
Dolphins wield tools of the sea
A long-term study of dolphins living off Australia’s coast finds that a small number of them, mostly females, frequently use sea sponges to forage for fish on the ocean floor.
- Life
Rock-climbing fish caught in evolution tug-of-war
Tall is good for dodging danger, but short is better for climbing waterfalls.
- 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
Omega-3 fatty acid is early boost for female preemies
DHA given to newborns in the first weeks following birth improves brain development in girls, but not boys.
- Life
Three deep-sea fish families now one
Male and young whalefish look so different from females that scientists had mistakenly put them all in different families.
- Ecosystems
Pacific Northwest salmon poisoning killer whales
A protected population of resident orcas around Vancouver Island and Puget Sound is the planet’s most PCB-contaminated mammals, says one researcher.
- Life
Carlsbad’s 8 million ‘lost’ bats likely never existed
Thermal imaging and algorithms challenge famous estimate of extreme bat number.
