Humans
We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
New dates narrow down when Denisovans and Neandertals crossed paths
Mysterious ancient hominids called Denisovans and their Neandertal cousins periodically occupied the same cave starting around 200,000 years ago.
- Health & Medicine
Chinese ‘tweets’ hint that happiness drops as air pollution rises
A study of more than 210 million social media posts reveals a link between people’s sense of well-being and pollution.
- Anthropology
Why modern javelin throwers hurled Neandertal spears at hay bales
A sporting event with replica weapons suggests that Neandertals’ spears may have been made for throwing, not just stabbing.
- Health & Medicine
Readers have questions about Parkinson’s disease, moth wings and more
Readers had questions about Parkinson’s disease, the new definition of a kilogram’s mass, Saturn’s moon Dione and more.
- Health & Medicine
Vitamin D supplements aren’t living up to their hype
Once seen as a supplement with a long list of benefits, vitamin D’s glow may be dimming.
- Anthropology
Dogs may have helped ancient Middle Easterners hunt small game
Jordanian finds point to pooch-aided hunting of small prey around 11,500 years ago, offering new clues into dog domestication in the Middle East.
- Health & Medicine
Lack of sleep is tied to increases in two Alzheimer’s proteins
In people and mice deprived of sleep, researchers found an increase in tau, a protein involved in Alzheimer’s disease, in the fluid bathing the brain.
- Health & Medicine
‘Good to Go’ tackles the real science of sports recovery
In ‘Good to Go,’ science writer Christie Aschwanden puts science — and herself — to the test for the sake of sports recovery.
- Archaeology
Our fascination with robots goes all the way back to antiquity
In the book ‘Gods and Robots,’ a scholar recounts how early civilizations explored artificial life through myths.
- Health & Medicine
Overdose deaths tied to antianxiety drugs like Xanax continue to rise
Benzodiazepines, widely used but addictive drugs to treat anxiety and insomnia, are contributing to a growing number of overdose deaths.
- Animals
Bacterial compounds may be as good as DEET at repelling mosquitoes
A bacterium’s metabolic by-products are as effective as DEET in deterring Aedes aegypti mosquitoes.
- Anthropology
An ancient child from East Asia grew teeth like a modern human
Choppers from a youngster with an unknown evolutionary background indicate that hominids evolved a humanlike life span in East Asia by 100,000 years ago.
