90 results
- Paleontology
Ancient larvae built predator-thwarting mazes
Mazelike tunnels built by ancient insect larvae offered protection from predators, paleontologists propose.
- Animals
How animal poop could be key in solving echidna mystery
The western long-beaked echidna hasn’t been seen in Australia in 10,000 years. But DNA in scat could reveal its presence.
- Animals
How a seahorse dad is like a pregnant woman
Live birth has evolved at least 150 times in vertebrates, including in seahorses and humans. And there are some surprising similarities between the species.
- Animals
Early research asked whether cats dream
Early research asked whether cats dream; researchers still don’t know definitively.
- Paleontology
Giant platypus tooth found
A fossil molar found in Australia reveals a previously unknown extinct species of the mammal.
- Animals
Cats and foxes are driving Australia’s mammals extinct
Since the arrival of Europeans in Australia, a startling number of mammal species have disappeared. A new study puts much of the blame on introduced cats and foxes.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Earth
Earth/Environment
Platypuses in trouble, toxins in lakes and a chemical link to early puberty in this week’s news.
-
As Told By the Egg
The story of fertilization, from the female point of view.
- Life
Dolphin may sense the body electric
Organs on the species' snout help it detect faint fields, like those generated by prey.
-
All kinds of tired
Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]
-
Venom hunters
Scientists probe toxins, revealing the healing powers of biochemical weapons.
