From Molecules to Organisms: Structures and Processes
- Chemistry
Explainer: What are oxidants and antioxidants?
Certain chemicals, including many in foods, fight chemical reactions that could harm cells in the body and in wildlife.
- Animals
Awake at Night
Mutant fruit flies can get by with less sleep than these insects normally need.
- Fossils
Dinosaur Eggs-citement
Scientists have found dinosaur eggs, with their shells on, inside a female dino fossil.
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- Climate
Arctic algae show climate change
Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.
- Animals
Blotchy face, big-time wasp
If paper wasps pretend to be something they're not, their peers get angry.
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- Brain
Charging up the brain for reading
Some kids can become better readers if they learn how written letters match up with speech sounds.
- Planets
Planets on the Edge
The discovery of a strange, planetlike object beyond Pluto adds to the puzzle of how the solar system formed.
- Genetics
A butterfly’s new green glow
Scientists have tweaked a butterfly's genes to make its eyes glow green.
- Health & Medicine
Building a food pyramid
Experts are trying to work out new rules on which foods to eat and which ones to avoid.
- Genetics
Animal clones: Double trouble?
From agriculture to medicine to law, animal cloning to create genetic twins could change our lives.
