813 results
813 results for: Sharks
- Ecosystems
Food chains in Caribbean coral reefs are getting shorter
Shorter food chains could mean reefs are less able to weather changes in food availability, threatening an already vulnerable ecosystem.
- Physics
These simple knife tricks stop onion tears instantly
With a high-speed camera and a tiny guillotine, scientists showed that chopping onions slowly and with sharper knives cuts down on tears.
- Animals
How male seahorses tap into their mothering side
By studying the genes responsible for the seahorse’s brood pouch, researchers uncovered a new route to “motherhood.”
- Animals
Cuttlefish ink may overwhelm sharks’ sense of smell
The main component of common cuttlefish ink — melanin — strongly sticks to shark smell sensors, possibly explaining why the predators avoid ink.
- Animals
Feeding sharks ‘junk food’ takes a toll on their health
Many blacktip reef sharks in French Polynesia are commonly fed by tourists. But the low-quality diet is changing the sharks’ behavior and physiology.
- Animals
Migrating whale sharks make pit stops at oil and gas rigs
Human-made structures act as artificial reefs, luring plankton and, in turn, Earth’s largest fish. That could put whale sharks at risk of ship strikes.
- Animals
This bird’s eye view of a shark hunt won a photo contest
A snapshot of blacktip reef sharks hunting hardyhead silverside fish won the 2024 Royal Society Publishing Photography Competition.
- Paleontology
How an ancient marine predator snuck up on its prey
Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurus suggests it may have been able to swim silently.
- Anthropology
A drowned landscape held clues to the lives of ancient human relatives
The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.
- Animals
Videos capture orcas’ tricks for taking down the largest fish on Earth
Citizen science videos document for the first time how orcas coordinate an attack against whale sharks.
- Animals
How fish biologists discovered birds of paradise have fluorescent feathers
A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.
- Animals
Scientists piece together clues in a shark ‘murder mystery’
A missing porbeagle shark was likely killed by a great white. It’s the first known case of adult porbeagles being hunted by a predator, scientists say.
