Life
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- Brain
The stuff of dreams
Computer program decodes dreams, finds similar brain activity patterns for objects seen while asleep or awake.
- Animals
Infectious animals
Critters spread many germs that can sicken each other — and even kill people.
- Animals
Explainer: People can sicken animals
Wildlife can sometimes become infected with germs shed by people.
- Microbes
Microscopic caffeine fiends
Researchers create a bacterium that can’t live or reproduce without a stimulant found in soft drinks, chocolate, coffee and tea.
- Environment
Fungi as carbon keepers
A common type of fungus stores most of a forest floor’s carbon underground.
- Life
Stem cells: The secret to change
Unusual, versatile cells hold the key to regrowing lost tissues.
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