8,270 results
8,270 results for: Fish
- 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.
- Health & Medicine
Vitamin D supplements don’t prevent heart disease or cancer
Vitamin D supplements won’t cut your risk of heart attack or stroke, according to highly anticipated study results.
- Animals
This new fish species displays a splash of highlighter hues
Researchers stumbled upon a new species of coral reef fish with spectacular coloration and a unique habitat.
- Astronomy
We may not have found aliens yet because we’ve barely begun looking
A new calculation says SETI searches have combed the equivalent of a hot tub out of Earth’s oceans looking for extraterrestrial intelligence in space.
- Life
See these dazzling images of a growing mouse embryo
A new microscope creates intimate home movies of mice embryos taking shape, and could shed light on the mysterious process of mammalian development.
- Humans
A 90,000-year-old bone knife hints special tools appeared early in Africa
The discovery of a bone knife in a Moroccan cave points to the ancient emergence of specialized toolmaking in the region.
- Chemistry
Speeding up evolution to create useful proteins wins the chemistry Nobel
The three winners, which include the fifth woman to win the chemistry prize, pioneered techniques used to fashion customized proteins for new biofuels and drugs.
- Genetics
Americans support genetically engineering animals for people’s health
Genetically engineering animals is OK with Americans if it improves human health, a new poll reveals.
- Animals
A gentoo penguin’s dinner knows how to fight back
Cameras attached to gentoo penguins off the Falkland Islands revealed that, despite the birds’ small size, their lobster krill prey can sometimes win in a fight.
