A Climate of Extremes

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Classroom Activity Page: Higher temperatures are only part of the climate change forecast. Are current extreme weather More »

Understanding Volcanoes

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Classroom Activity Page: Volcanoes are big movers and shakers in the business of continually redesigning the Earth’s More »

Stem Cell Progress

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Classroom Activity Page: Embryonic stem cells can transform themselves into every cell in your body. As the field of More »

Tornadoes: Power & Fury

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Classroom Activity Page: Tornadoes are capable of serious destruction. What gets them twisting? Where do they get More »

Mosquito Madness

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Classroom Activity Page: As disease-infected mosquitoes expand their range, these bugs rise higher on the “menace to More »

Polar science

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Classroom Activity Page: The poles are fascinating, partly because they are such difficult places to visit, work and More »

Soil and food crisis

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Classroom Activity Page Without soil, we starve. Unfortunately, throughout the world, human activities have degraded More »

Flu vaccine

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Classroom Activity Page: Each year, as influenza season approaches, medical authorities must scramble to predict which More »