News
- Animals
These spiders may have the world’s fastest body clocks
Three orb-weaving spiders may have the shortest circadian clocks yet discovered among animals.
- Health & Medicine
New blood pressure guidelines put half of U.S. adults in unhealthy range
New hypertension guidelines broaden the range of those considered to have high blood pressure and emphasize lifestyle changes to combat the condition.
- Health & Medicine
Cholera pandemics are fueled by globe-trotting bacterial strains
International cholera strains, rather than local ones, have caused raging epidemics, according to research that examined the bacteria’s DNA.
- Physics
Why the wiggle in a crowd’s walk can put a wobble in a bridge
New simulations can better predict when pedestrians cause a bridge to shimmy.
- Anthropology
Ancient European farmers and foragers hooked up big time
Interbreeding escalated in regionally distinct ways across Neolithic Europe.
- Animals
This deep-sea fish uses weird eyes to see in dark and light
The eyes of deep-sea fish called pearlsides contain cells that look like rods but act like cones.
- Animals
Crested pigeons sound the alarm with their wings
Crested pigeons have specialized feathers that signal danger when they flee from an apparent threat.
- Genetics
Scientists replaced 80 percent of a ‘butterfly’ boy’s skin
By correcting genes in stem cells and growing new skin in the lab, a new therapy repaired a genetic skin disease.
- Astronomy
This star cheated death, exploding again and again
The weirdest supernova ever has lasted more than three years, and may be the third outburst from the same star.
- Health & Medicine
Human study supports theory on why dengue can be worse the next time around
The amount of dengue antibodies leftover in the blood may up the chances of a severe second dengue infection, a study finds.
- Animals
Face it: Sheep are just like us when it comes to recognizing people
Sheep trained to recognize celebrity faces demonstrate that the animals have face-recognition capabilities similar to humans and other primates.
- Anthropology
Crocs take a bite out of claims of ancient stone-tool use
Reptiles with big bites complicate claims of Stone Age butchery.
