8,278 results
8,278 results for: Fish
- Animals
Poop provides a link in determining penguin diet from space
Scientists have figured out what foods dominate an Adélie penguin colony’s diet by looking at Landsat imagery. But to do so, they had to start with penguin guano.
- Animals
How worm blobs behave like a liquid and a solid
Blobs of worms flow like a fluid, plop like a solid and fascinate scientists.
- Health & Medicine
Vitamin D supplements aren’t living up to their hype
Once seen as a supplement with a long list of benefits, vitamin D’s glow may be dimming.
- Animals
Counting the breaths of wild porpoises reveals their revved-up metabolism
A new method tracks harbor porpoises’ breathing to collect rare information on the energy needs of the marine mammals.
- Science & Society
Here’s how the record-breaking government shutdown is disrupting science
The partial government shutdown is taking many U.S. scientists out of commission and putting up hurdles to their research.
- Physics
Readers inquire about a Neptune-sized moon, nuclear pasta and more
Readers had questions about a Neptune-sized moon, nuclear pasta and the search for extraterrestrial life.
- Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
- Life
These new tweezers let scientists do biopsies on living cells
Nanotweezers that can pluck molecules from cells without killing them could enable real-time analysis of the insides of healthy and diseased cells.
- Oceans
Volcanic eruptions that depleted ocean oxygen may have set off the Great Dying
Massive eruptions from volcanoes spewing greenhouse gases 252 million years ago may have triggered Earth’s biggest mass extinction.
- Health & Medicine
A potent fish oil drug may protect high-risk patients against heart attacks
People with, or at high risk of, cardiovascular disease lowered their chances of having a heart attack or stroke with a drug containing an omega-3 fatty acid.
- Ecosystems
How researchers flinging salmon inadvertently spurred tree growth
Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.
- Paleontology
The first vertebrates on Earth arose in shallow coastal waters
After appearing about 480 million years ago in coastal waters, the earliest vertebrates stayed in the shallows for another 100 million years.
