8,240 results
8,240 results for: Fish
- Animals
Most blue whales are ‘righties,’ except for this one move
Though many blue whales tend to be “right-handed” when hunting for krill, one specific barrel roll move requires a lefty twist.
- Animals
Whales feast when hatcheries release salmon
Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”
- Animals
Fossil find suggests this ancient reptile lurked on land, not in the water
An exquisitely preserved fossil shows that an ancient armored reptile called Eusaurosphargis dalsassoi wasn’t aquatic, as scientists had suspected.
- Animals
Being a vampire can be brutal. Here’s how bloodsuckers get by.
Blood-sucking animals have specialized physiology and other tools to live on a diet rich in protein and lacking in some nutrients.
- Animals
Newly discovered lymph hydraulics give tunas their fancy moves
There’s still some anatomy to discover in fishes as familiar as bluefin and yellowfin tunas.
- Paleontology
Ancient armored fish revises early history of jaws
The fossil of a 423-million-year-old armored fish from China suggests that the jaws of all modern land vertebrates and bony fish originated in a bizarre group of animals called placoderms.
- Archaeology
Peru’s plenty brought ancient human migration to a crawl
Ancient Americans reached Peru 15,000 years ago and stayed put, excavations suggest.
- Life
Hybrids reveal the barriers to successful mating between species
Scientists don’t understand the process of speciation, but hybrids can reveal the genes that keep species apart.
- Life
How to make a fish face, and other photo contest winners
The tiny face of a 4-day-old zebrafish embryo snags the top spot in microscopy photography contest.
- Life
Polluted water: It’s where sea snakes wear black
Reptile counterpart proposed for textbook example of evolution favoring darker moths amid industrial soot.
- Health & Medicine
Live antibiotics use bacteria to kill bacteria
Certain bacteria will destroy other bacteria without harming humans. They may be an answer to antibiotic-resistant infections.
- Climate
Lakes worldwide feel the heat from climate change
Lakes worldwide are warming with consequences for every part of the food web, from algae, to walleye, to freshwater seals.
