From Molecules to Organisms: Structures and Processes
- 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.
- Life
Explainer: What is a stem cell?
Special cells have ability to turn into several different types
- Brain
Explainer: Our bodies’ internal clocks
Biological clocks determine hunger, sleepiness and other daily rhythms.
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- Brain
The teenage brain
Adolescence triggers brain — and behavioral — changes that few kids or adults understand.
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- Science & Society
Introducing the 2011 Nobel Prize winners
Scientists in 2011 won for making unexpected discoveries about crystals, the human body and the universe.
- Chemistry
DEET confuses mosquitoes
Scientists suspect the repellant messes with a mosquito’s sense of smell.
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