817 results
817 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.
-
Which animal should scare you more?
Editor in Chief Nancy Shute discusses which should scare you more: sharks or ticks and fungus — and why sharks might actually be the least of your worries.
- 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.”
- 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
U.S. seal populations have rebounded — and so have their conflicts with humans
Alix Morris’s new book, A Year with the Seals, explores humans’ complicated relationship with these controversial marine mammals.
- Animals
Is that shark ticking? In a first, a shark is recorded making noise
The ocean can be a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
- Animals
Hammerhead sharks’ diets may affect if they roam or stay home
Understanding hammerhead sharks’ food preferences could aid efforts to protect the critically endangered fish.
- 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
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
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.
- 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.
- 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.
