Animals
Tick, tick, tick. In a first, a shark is heard making noise
The undersea world can host a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
By Susan Milius
Animals
More Stories in Animals
- Brain
Parakeets talk using brain areas similar to ours
Brain activity during vocalizing in small parrots — called budgerigars or parakeets — shows a similar pattern to what’s seen in people.
- Animals
Freshwater fish are in trouble: Here’s how we can help them
Human activities threaten the survival of many freshwater fish species. Research is now pointing to how we can best overcome those threats.
- Animals
Some iguanas may have rafted across the Pacific 30 million years ago
The iguanas' epic 8,000-kilometer trip — one-fifth of Earth’s circumference — may be the longest made by a flightless land vertebrate.
- Fossils
Could Spinosaurus swim? That would make it a game changer
Spinosaurus fossils are challenging the longstanding claim that ancient dinosaurs were never fully aquatic. And some paleontologists still aren’t convinced.
- Animals
Some fish have legs that can taste prey underfoot
Taste buds on those legs may explain why northern sea robins are so good at finding food that is buried in the sandy seafloor.
- Animals
Scientists Say: Exoskeleton
This plate armor provides protection to insects, spiders and more. But that benefit comes with tradeoffs.
- Animals
Can this ‘woolly mouse’ help bring back extinct mammoths?
Scientists created mice with woolly mammoth–like traits. But that doesn’t mean we’re close to bringing back woolly mammoths.
- Animals
Dire wolves or not, these pups could help counter extinction
Some question if these are just gene-tweaked gray wolves. Still, the tech behind the new "dire wolves" might help some living at-risk species avoid extinction.
- Materials Science
A beautiful blue butterfly wing offers a new way to study cancer
Once a morpho butterfly wing is placed atop a thin slice of tissue, shining polarized light through it can help reveal how likely breast cancer is to spread.
