Humans
Scientists Say: Chronohygiene
Artificial lights and other aspects of modern life can confuse our body’s internal sleep clock. But a few minor changes may grant us much-needed control.
Health & Medicine
More Stories in Health & Medicine
- Science & Society
Behold the world’s weirdest library — which might save your life
This bizarre collection of “standard reference materials” help ensure the safety of waterways, buildings, medicines, foods and much more.
- Health & Medicine
What are vitamins?
Humans need 13 different vitamins to stay healthy. Most come from the food we eat. Others are made in our bodies.
- 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.
- 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.
