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What caused dinosaurs to disappear from the planet? How do species evolve? What about human beings—are we still evolving? Delve into these questions through unforgettable stories featuring leading scientists and stunning field locations—from the postglacial lakes of southern Alaska to the highlands of East Africa to the badlands of North Dakota. Each short film, and the accompanying classroom resources, bring science to life. Watch our films…
In HHMI’s new virtual lab, you will discover evolutionary patterns by analyzing changes in body structure in fish collected from lakes and fossils recovered from a quarry. Measure, record, and graph your results. You are the scientist! Enter the lab…
The 2012 Holiday Lectures are now available via on-demand streaming! Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth's climate in the distant past tell us about the future? Modern humans have lived on Earth for only the past 200,000 years—not even a blink of an eye in the history of a planet that is about 4.6 billion years old. Scientists have discovered a rich fossil record of animal evolution going back more than 600 million years and a much richer one of microbial life starting almost 4 billion years ago. Throughout this time, the geologic record reveals that dramatic changes have occurred to Earth's oceans, atmosphere, climate, and land forms, which match major biological transitions. In four presentation, leading scientists Andrew H. Knoll of Harvard University, Naomi Oreskes of the University of California, San Diego, and Daniel P. Schrag of Harvard University guide us on an exciting exploration of the history of life on Earth and discuss present-day concerns about climate change. To watch the Holiday Lectures on Science: On-Demand Webcast |          
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