8,261 results
8,261 results for: Fish
- Ecosystems
Bird poop helps keep coral reefs healthy, but rats are messing that up
Eradicating invasive rats from islands may help boost numbers of seabirds, whose droppings provide nutrients to nearby coral reefs.
- Animals
Surprise! This shark looks like a male on the outside, but it’s made babies
External male reproductive organs hid internal female capacity to give birth among hermaphrodite sharks in India.
- Science & Society
This Greek philosopher had the right idea, just too few elements
The ancient Greek philosopher Empedocles wrongly believed matter to consist of just four elements, but he grasped the basic idea of forces governing unchanging matter.
- Earth
New mapping shows just how much fishing impacts the world’s seas
Industrial fishing now occurs across 55 percent of the world’s ocean area while only 34 percent of Earth’s land area is used for agriculture or grazing.
- Paleontology
An ancient swimming revolution in the oceans may have never happened
Swimmers may not have suddenly dominated the oceans during the Devonian Period after all: New analyses suggest they took over much more gradually.
- Health & Medicine
Newfound airway cells may breathe life into tackling cystic fibrosis
A newly discovered cell in the lining of the airways is the primary site of activity for the gene that, when defective, causes cystic fibrosis.
- Animals
In a pack hunt, it’s every goatfish for itself
Pack hunting among goatfish is really about self-interest.
- Neuroscience
People can sense Earth’s magnetic field, brain waves suggest
An analysis of brain waves offers new evidence that people subconsciously process information about the planet’s magnetism.
- Oceans
Shallow reef species may not find refuge in deeper water habitats
Coral reefs in deep-water ecosystems may not make good homes for species from damaged shallow reefs.
- Chemistry
Want to build a dragon? Science is here for you
Fire-breathing dragons can’t live anywhere outside of a book or TV. But nature provides some guidance as to how they might get their flames. If they existed, anyway.
- Animals
Got an environmental problem? Beavers could be the solution
A new book shows how important beavers have been in the past — and how they could improve the landscape of the future.
- Animals
Robot fish shows how the deepest vertebrate in the sea takes the pressure
Tests with a robot snailfish reveal why the deep-sea fish has mysterious goo in its body.
