News
- 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.
- Health & Medicine
Animal study reveals how a fever early in pregnancy can cause birth defects
Using chicken embryos, study shows that heat itself, not an infectious agent, is the driving factor behind certain heart and facial birth defects.
