Ecosystems: Interactions, Energy, and Dynamics
- Animals
A weekend for the birds
February 14 to 17 is this year’s Great Backyard Bird Count. It offers an opportunity to not only learn about the birds in your neighborhood but also contribute to science.
- 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.
