Genetics
- Genetics
This gene may help worms live longer, but not healthier
Antiaging therapies may have trade-offs, research on worms suggests.
- Animals
Ground beetle genitals have the genetic ability to get strange. They don’t
A new look at the genetics of sex organs finds underpinnings of conflicts over genital size.
- Anthropology
Ancient DNA reveals the origins of the Philistines
A mysterious Biblical-era population may have fled Bronze Age calamities.
- Health & Medicine
Antioxidants may encourage the spread of lung cancer rather than prevent it
Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.
- Genetics
DNA reveals a European Neandertal lineage that lasted 80,000 years
Ancient DNA from cave fossils in Belgium and Germany shows an unbroken genetic line of the extinct hominids emerged at least 120,000 years ago.
- Genetics
DNA confirms a weird Greenland whale was a narwhal-beluga hybrid
DNA analysis of a skull indicates that the animal had a narwhal mother and beluga father.
- Genetics
Genealogy companies could struggle to keep clients’ data from police
Police probably won’t stop searching DNA family trees to find crime suspects. New restrictions on database searches could spur more fights over privacy.
- Genetics
DNA reveals ancient Siberians who set the stage for the first Americans
A previously unknown population of Ice Age people who traveled across Beringia was discovered in Russia.
- Genetics
Almost all healthy people harbor patches of mutated cells
Even healthy tissues can build up mutations, some of which have been tied to cancer.
- Anthropology
Africa’s first herders spread pastoralism by mating with foragers
DNA unveils long-ago hookups between early pastoralists and native hunter-gatherers in Africa.
- Health & Medicine
A fungus weaponized with a spider toxin can kill malaria mosquitoes
In controlled field experiments in Burkina Faso, a genetically engineered fungus reduced numbers of insecticide-resistant mosquitoes that can carry malaria.
- Life
How bacteria nearly killed by antibiotics can recover — and gain resistance
A pump protein can keep bacteria alive long enough for the microbes to develop antibiotic resistance.
