Genetics
- Neuroscience
Mitochondria can sneak DNA into the nuclei of brain cells
An analysis of tissue samples from nearly 1,200 older adults found that the more insertions individuals had, the younger they died.
- Anthropology
Ancient DNA unveils a previously unknown line of Neandertals
DNA from a partial skeleton found in France indicates that European Neandertals consisted of at least two genetically distinct populations.
By Bruce Bower - Animals
A frog’s story of surviving a fungal pandemic offers hope for other species
Evolving immunity to the Bd fungus and a reintroduction project saved a California frog. The key to rescuing other species might be in the frog’s genes.
- Genetics
Freeze-drying turned a woolly mammoth’s DNA into 3-D ‘chromoglass’
A new technique for probing the 3-D structure of ancient DNA may help scientists learn how extinct animals functioned, not just what they looked like.
- Paleontology
The last woolly mammoths offer new clues to why the species went extinct
The last population of woolly mammoths did not go extinct 4,000 years ago from inbreeding, a new analysis shows.
By Claire Yuan - Anthropology
Child sacrifices at famed Maya site were all boys, many closely related
DNA analysis shows victims in one underground chamber at Chichén Itzá included twins, perhaps representing mythological figures.
By Bruce Bower - Genetics
Horses may have been domesticated twice. Only one attempt stuck
Genetic evidence suggests that the ancestors of domestic horses were bred for mobility about 4,200 years ago.
- Science & Society
Scientists are fixing flawed forensics that can lead to wrongful convictions
People have been wrongly jailed for forensic failures. Scientists are working to improve police lineups, fingerprinting and even DNA analysis.
By Amber Dance - Genetics
Thomas Cech’s ‘The Catalyst’ spotlights RNA and its superpowers
Nobel Prize-winning biochemist Thomas Cech’s new book is part ode to RNA and part detailed history of the scientists who’ve studied it.
By Meghan Rosen - Genetics
50 years ago, chimeras gave a glimpse of gene editing’s future
Advances in gene editing technology have led to the first successful transplant of a pig kidney into a human.
By Abby Wallace - Life
The largest known genome belongs to a tiny fern
Though 'Tmesipteris oblanceolata' is just 15 centimeters long, its genome dwarfs humans’ by more than 50 times.
By Jake Buehler - Genetics
Here’s why some pigeons do backflips
Meet the scientist homing in on the genes involved in making parlor roller pigeons do backward somersaults.