A recent study reported a smaller-than-expected benefit from screening colonoscopies. But the study has important caveats, gastroenterologists say, making it ripe for misinterpretation if that context isn’t included. The study…
Category: Humans
Black Death immunity came at a cost to modern-day health
A genetic variant that appears to have boosted medieval Europeans’ ability to survive the Black Death centuries ago may contribute — albeit in a small way — to an inflammatory…
Ancient DNA unveils Siberian Neandertals’ small-scale social lives
DNA from a group of Neandertals who lived together and a couple of others who lived not far away has yielded the best genetic peek to date into the social…
Black Death immunity came at a cost to modern-day health
A genetic variant that appears to have boosted medieval Europeans’ ability to survive the Black Death centuries ago may contribute — albeit in a small way — to an inflammatory…
The pandemic shows us how crises derail young adults’ lives for decades
Ninna Ragasa was 24 years old when doctors discovered a mass on the left hemisphere of her brain. Further imaging revealed that Ragasa had an arteriovenous malformation, a tangle of…
A swarm of sneaky omicron variants could cause a COVID-19 surge this fall
Fall and winter have not been kind to us over the last couple of years. In 2020, cases of COVID-19 began to climb in October. And at this time last…
Drone photos reveal an early Mesopotamian city made of marsh islands
A ground-penetrating eye in the sky has helped to rehydrate an ancient southern Mesopotamian city, tagging it as what amounted to a Venice of the Fertile Crescent. Identifying the watery…
Cooperative sperm outrun loners in the mating race
Even sperm gotta stick together. Bull sperm swim more effectively when in clusters, a new study shows, potentially offering insight into fertility in humans. In simulated reproductive tracts of animals…
Here’s where jazz gets its swing
It don’t mean a thing if it ain’t got that swing — all you’ve got to do is stagger your timing. For decades, fans of jazz music have debated why…
Losing amphibians may be tied to spikes in human malaria cases
In the 1990s and 2000s, Costa Rica and Panama experienced spikes in malaria cases. The massive loss of amphibians in the region from a deadly fungal disease may have contributed…
