Animals
- 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.
- 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.
- Animals
Baby birds’ brains selectively respond to dads’ songs
The neurons of young male birds are more active when listening to songs sung by dad than by strangers, a new study finds.
- Health & Medicine
In malaria battle, indoor bug spraying has unintended consequence
Years of spraying indoors may inadvertently have push malaria-spreading mosquitoes to venture outdoors for a bite.
- Animals
Three-toed sloths are even more slothful than two-toed sloths
The three-toed sloth Bradypus variegatus has the lowest field metabolic rate ever recorded, a new study finds.
