‘Life as We Made It’ charts the past and future of genetic tinkering

Life as We Made ItBeth ShapiroBasic Books, $30 With genetic engineering, humans have recently unleashed a surreal fantasia: pigs that excrete less environment-polluting phosphorus, ducklings hatched from chicken eggs, beagles…

Are viruses alive, not alive or something in between? And why does it matter?

Villain. Killer. Menace. Since 2020, scientists and public officials have used these words to describe SARS-CoV-2, the virus that causes COVID-19. News articles, research papers and tweets repeatedly personify the…

Gene-edited stem cells help geckos regrow more perfect tails

Regenerating body parts is never easy. For instance, some lizards can grow back their tails, but these new appendages are pale imitations of the original. Now, genetically modified stem cells…

DNA from mysterious Asian mummies reveals their surprising ancestry

Mystery mummies from Central Asia have a surprising ancestry. These people, who displayed facial characteristics suggesting a European heritage, belonged to a local population with ancient Asian roots, a new…

Dog DNA reveals ancient trade network connecting the Arctic to the outside world

Ancient Arctic communities traded with the outside world as early as 7,000 years ago, DNA from the remains of Siberian dogs suggests.    Analysis of the DNA shows that Arctic…

All identical twins may share a common set of chemical markers on their DNA

Identical siblings are used to sharing a lot with their twin, including their DNA. But new research suggests all identical twins share a common signature of twinhood, not in their…

DNA offers a new look at how Polynesia was settled

Polynesian voyagers settled islands across a vast expanse of the Pacific Ocean within about 500 years, leaving a genetic trail of the routes that the travelers took, scientists say. Comparisons…