Ecosystems: Interactions, Energy, and Dynamics
- Life
Caught in the act
Scientists observe some evolutionary speed demons as they adapt over the course of just a few years to new environmental conditions.
- Earth
Explainer: Antarctica, land of lakes
There are many, although they tend to be buried under rivers of ice.
- Animals
Explainer: Animals’ role in human disease
Wildlife, livestock and pets are the source of most germs that can sicken people
- Health & Medicine
Explainer: What should I know about HIV and AIDS?
Here are some common myths and some less common facts.
- 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.
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- Chemistry
Explainer: Ocean acidification
Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.
- Climate
Watching our seas rise
Satellites, coral reefs, ancient Roman fishponds and sinking cities help us understand how humans are changing sea level.
- Animals
Snake blood boosts mouse heart
Scientists find that a mouse’s heart swells in the presence of python blood.
- Animals
Tiny earthworms’ big impact
Invasive earthworms change North American landscapes, for better or worse.
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