News
- Climate
As ice retreats, frozen mosses emerge to tell climate change tale
Plants long entombed beneath Canadian ice are now emerging, telling a story of warming unprecedented in the history of human civilization.
- Paleontology
T. rex’s silly-looking arms were built for slashing
Tyrannosaurus rex may have used its small arms for slashing prey.
- Health & Medicine
Using high-nicotine e-cigarettes may boost vaping and smoking in teens
Vaping higher concentrations of nicotine is linked to how much and how often teens smoke and vape months later, a new study finds.
- Genetics
New CRISPR gene editors can fix RNA and DNA one typo at a time
New gene editors can correct common typos that lead to disease.
- Life
Nanoscale glitches let flowers make a blue blur that bees can see
Bees learn about colorful floral rings faster when nanoscale arrays aren’t quite perfect.
- Cosmology
What detecting gravitational waves means for the expansion of the universe
The latest LIGO signal proves that gravitational waves travel at the speed of light, ruling out a swath of cosmological theories in the process.
- Health & Medicine
Robotic docs can boost surgery time and cost
Robots in the OR may not be worth the extra time or money for all procedures.
- Life
How bird feeders may be changing great tits’ beaks
Longer beaks may be evolving in U.K. great tits because of the widespread use of bird feeders in the country.
- Anthropology
Scientists battle over whether violence has declined over time
People are no more violent in small-scale societies than in states, researchers contend.
- Genetics
Doubling up on ‘junk DNA’ helps make us human
DNA duplicated only in humans may contribute to human traits and disease.
- Life
The next wave of bird flu could be worse than ever
Deadly bird flu can pass between ferrets through the air.
- Life
The physics of mosquito takeoffs shows why you don’t feel a thing
Even when full of blood, mosquitoes use more wing force than leg force to escape a host undetected — clue to why they’re so good at spreading disease.
