Biology: Animal communication

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Biology

Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.

Animal behavior

How do songbirds learn to sing? Why do ants follow invisible lines to sources of food? What are dogs trying to accomplish when they mark their territory? Learn about these and many other fascinating, diverse, and sometimes bizarre examples of animal behavior.

Topic: Science

Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.