459 results
459 results for: Dolphins
- Genetics
For penguins, it’s a matter of no taste
Penguins lack taste genes for bitter, sweet and umami.
- Animals
Diving marine mammals take deep prey plunges to heart
In spite of their diving prowess, Weddell seals and bottlenosed dolphins experience irregular heart rates when they venture beyond 200 meters under the sea.
- Animals
It’s bat vs. bat in aerial jamming wars
In nighttime flying duels, Mexican free-tailed bats make short, wavering sirenlike sounds that jam each other’s sonar.
- Animals
Dolphins appear to perceive magnetic fields
Bottlenose dolphins take less time to start exploring a magnetized block, suggesting they can sense magnetic fields.
- Paleontology
3-D scans reveal secrets of extinct creatures
Paleontologists can dig into fossils without destroying them and see what’s inside using 3-D scanning. What they’re learning helps bring the past to life.
- Psychology
Walking in sync makes enemies seem less scary
Men who walk in sync may begin to think of their enemies as weaker and smaller, a new study suggests.
- Animals
Dolphins and whales may squeal with pleasure too
Dolphins and whales squeal after a food reward in about the same time it takes for dopamine to be released in the brain.
- Animals
New dolphin species gets a name
A species of humpback dolphin from Australia has now received its proper name.
- Oceans
Dusk heralds a feeding frenzy in the waters off Oahu
Even dolphins benefit when layers of organisms in the water column overlap for a short period.
- Paleontology
Oldest true dolphin species gets a new name
A dolphin species first described in the 1970s has gotten a new name but still retains the title of oldest true dolphin species identified to date.
- Animals
Dolphins use sponges to dine on different grub
The animals can learn to use tools to exploit food sources that would be otherwise unavailable, a study suggests.
- Paleontology
Fossil whale skull hints at echolocation’s origins
Ancestors of toothed whales used echolocation as early as 34 million years ago, analysis of a new fossil skull suggests.
