Genetics
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Genetics
A genetic parasite may explain why humans and other apes lack tails
Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.
- Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.
- Health & Medicine
Newfound immune cells are responsible for long-lasting allergies
A specialized type of immune cell appears primed to make the type of antibodies that lead to allergies, two research groups report.
