HS-LS1-3
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
- Genetics
Owww! The science of pain
No one likes pain, but it keeps us alive. That’s why scientists want to learn how best to coexist with this complicated and still somewhat mysterious sensation.
- Animals
Move over cheetah: Mite sets new speed record
A super-speedy species sprints faster than any other land animal — for its size, a new study finds. Scientists may someday tap this tiny mite’s technique to create robots and other devices that zip around at sensational speeds!
- Brain
‘Study drugs’ can be dangerous
The misuse of these ADHD medicines not only constitutes cheating, but they can become addictive and can mess with your head.
- Health & Medicine
Explainer: The teenage body clock
Around puberty, a change in the body clock of adolescents and teens makes it hard for them to fall asleep as early as they used to.
- Brain
Respecting the body’s clocks
Daily rhythms affect everything from the time we wake to how well we perform in sports.
- Brain
The teenage brain
Adolescence triggers brain — and behavioral — changes that few kids or adults understand.
- Science & Society
Introducing the 2011 Nobel Prize winners
Scientists in 2011 won for making unexpected discoveries about crystals, the human body and the universe.
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- Animals
Secrets of the world’s extreme divers
For emperor penguins and other animals, being able to hold their breath the longest could be in the blood
- Health & Medicine
Fat weighs heavy on the brain
New study shows obesity interferes with memory, thinking and reasoning.
