Humans
- Archaeology
This ancient Siberian ice mummy had intricate tattoos
The 2,000-year-old woman wears ink of prowling tigers and a fantastical griffin-like beast. Her tattoos were inked by two artists — a beginner and an expert.
- Humans
Scientists Say: Artifact
Take note: This term might describe ancient pottery shards in the field of archeology. But in statistics, it’s a misleading pattern in data.
- Psychology
Connections at school could limit bullying’s harm to mental health
Recently bullied teens with a strong sense of connectedness at school reported fewer signs of depression than those without it, a new study finds.
- Animals
Let’s learn about venom
A bite or puncture from a venomous critter can cause paralysis, flesh rot, organ failure and many more violent — and sometimes fatal — symptoms.
- Health & Medicine
Short exercise workouts can boost classroom performance
When students spend just nine minutes doing high-intensity interval exercises, their brains can work more efficiently, new data show.
- Health & Medicine
Floss delivers flu vaccine to mice needle-free
The creative solution may one day allow people to vaccinate themselves — no injection needed.
- Health & Medicine
Finding cells that stop our body from attacking itself lands a Nobel
Shimon Sakaguchi won for discovering T-reg immune cells. Mary Brunkow and Fred Ramsdell won for showing the cells’ role in autoimmune disease.
- Environment
During heat waves, trees spew chemicals that worsen air pollution
New data point to how heat waves and other climate change will make it harder to curb ozone and other types of toxic air pollution — even outside of cities.
- Archaeology
Knotted strands of 500-year-old hair tell a surprising story
Used in a device called a khipu, the hair reveals the owner’s simple diet. Those data now suggest that in Incan society, even some commoners kept records.
- Ecosystems
Scientists Say: Transplant
Transplant means to move something from one place to another. A transplant can involve something as small as a cell or as large as a whole population.
- Health & Medicine
Seeing sick faces revs up our immune system, new data show
It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.
- Humans
These Korean women spend more time underwater than any other humans
At an average age of 70, these divers in South Korea still forage in the sea for up to 10 hours a day. They spend more than half of that time underwater.
