Animals
- Genetics
North America’s earliest dogs came from Siberia
North America’s first dogs have few descendants alive today, a study of ancient DNA suggests.
- Animals
Researchers create hybrid embryos of endangered white rhinos
Scientists have made the first rhino embryos, providing a small glimmer of hope for the nearly extinct northern white rhinoceros.
- Archaeology
Mongolians practiced horse dentistry as early as 3,200 years ago
Horse dentistry got an early start among Bronze Age Mongolian herders.
- Genetics
Koala genome may contain clues for helping the species survive
The complete genetic instruction book of a koala may explain why the cuddly-looking cuties are such picky eaters, among other secrets.
- Animals
‘Spying on Whales’ dives into the story of true leviathans
"Spying on Whales" retraces the evolution of cetaceans, explaining how they came to be some of Earth’s largest creatures.
- Animals
This invasive tick can clone itself and suck livestock dry
The newly invasive longhorned tick, now found in four continental U.S. states, spreads human diseases in its native Asia. Here, it’s mostly a threat to livestock — so far.
- Life
Leprosy lurks in armadillos in Brazil’s Amazon
Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.
- Animals
Why some mammal species don’t have descended testicles, but most do
New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.
- Genetics
Readers ponder geothermal power and more
Readers respond to stories from the May 26, 2018 issue of Science News.
- Neuroscience
How domestication changed rabbits’ brains
The fear centers of the brain were altered as humans tamed rabbits.
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- Anthropology
Koko the gorilla is gone, but she left a legacy
An ape that touched millions imparted some hard lessons about primate research.
