Click & Learn

Featured Click & Learns

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  Click & Learn

  Explore Your Inner Animals

  This interactive explores different anatomical features of the human body and what they reveal about the evolutionary history we share with other organisms, including earlier, long-extinct species.
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  Click & Learn

  Paleoclimate: A History of Change

  Earth's climate is a complex system controlled by many factors. This Click and Learn will examine the two most important factors: solar radiation and the composition of Earth's atmosphere.
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  Click & Learn

  Using the Scientific Process to Study Human Evolution

  Paleoanthropology provides an excellent example of the scientific process at work. 
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  Click & Learn

  Great Transitions Interactive

  The fossils of transitional creatures were key evidence for Darwin’s evolutionary theory, but none had been found when he published On the Origin of Species. Now, there are many examples of such fossils, which clearly show that big evolutionary leaps consist of many smaller steps.
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  Click & Learn

  Using DNA to Trace Human Migration

  All living humans originated from populations of ancestors who migrated out of Africa less than 100,000 years ago. Learn how scientists have used genetic markers to trace the migration routes and origins of modern human populations.
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  Click & Learn

  From Birds to People

  West Nile virus infects mosquitoes, birds, and people—with very different consequences.
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  Click & Learn

  Cells of the Immune System

  An overview of the immune system, concentrating on the roles played by B and T lymphocytes, and the antigen-presentation system.
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  Click & Learn

  Electrical Activity of Neurons

  Measuring neuronal activity, generating action potentials, and recording the firing of individual neurons.