HS-LS2-3
Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.
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Animals
Explainer: People can sicken animals
Wildlife can sometimes become infected with germs shed by people.
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Microbes
Life in the bacterial underground
Tiny life forms in rock may coax minerals to release hydrogen for food.
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Animals
A fallout feast for crabs
Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.
By Emily Sohn -
Climate
A change in climate
Global warming may be wiping out some plants and animals or pushing them into new habitats.
By Emily Sohn -
Earth
Deep drilling at sea
Drilling holes deep into the seafloor unveils the ocean's past and hints at Earth's future.