Animals
- Life
Hightailing it out of the water, mudskipper style
A robot and a land-walking fish show how a tail might have made a huge difference for early vertebrates conquering the slippery slopes of terrestrial life.
By Susan Milius - Animals
To zip through water, swordfish reduce drag
A newly discovered oil-producing organ inside the swordfish’s head gives the animal slick skin to swim faster.
- Animals
Lionfish invasion comes to the Mediterranean
Scientists had thought that the Mediterranean was too cold for lionfish to permanently settle there. But now they’ve found a population of the fish off Cyprus.
- Animals
Frigate birds fly nonstop for months
The great frigate bird can fly for up to two months without landing, thanks to a boost from wind and clouds.
- Animals
Sneaky male fiddler crabs entrap their mates
Some male banana fiddler crabs get a female to mate with them by trapping her in their burrow, a new study finds.
- Materials Science
Shark jelly is strong proton conductor
A jelly found in sharks and skates, which helps them sense electric fields, is a strong proton conductor.
- Animals
Two newly identified dinosaurs donned weird horns
Two newly discovered relatives of Triceratops had unusual head adornments — even for horned dinosaurs.
- Quantum Physics
Quantum fragility may help birds navigate
Birds’ internal compasses may rely on the delicate nature of the quantum world.
- Life
Cities create accidental experiments in plant, animal evolution
To look for evolution in human-scale time, pick a city and watch a lizard. Or some clover.
By Susan Milius - Animals
Reptile scales share evolutionary origin with hair, feathers
Hair, scales and feathers arose from same ancestral appendage.
- Animals
Insect debris fashion goes back to the Cretaceous
Ancient insects covered themselves in dirt and vegetation just as modern ones do, fossils preserved in amber suggest.
- Animals
Bacteria make male lacewings disappear
Scientists have tracked down why some green lacewings in Japan produce only female offspring: Bacteria kill off all the males early in life.