Advances in Neurotechnology

In this video segment from Greater Boston, learn how a man with severe motor disabilities can operate a computer and move a prosthetic hand by simply thinking the commands, thanks to the combined efforts of bioengineers and neuroscientists.

Accessibility features: Caption

All in the Family

In this Evolution Web feature, test your skills at judging who's who on the tree of life while you learn about the tools and methods of cladistics.

Cell Differentiation

In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism.

Accessibility features: Audio Description, Caption

Dance of Development

Watch the "dance" of development as a zebrafish egg divides and differentiates on its way to becoming an embryo in this interactive activity adapted from the Exploratorium.

Desert Biome

This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome.

Accessibility features: Audio Description, Caption, Transcript

Evolution of the Eye

Zoologist Dan-Erik Nilsson demonstrates how the complex human eye could have evolved from simple light-sensitive cells. From Evolution: "Darwin's Dangerous Idea."

Accessibility features: Caption

Evolving Ideas: Did Humans Evolve?

This video from Evolution explores the evolution of humans from a common ancestor of humans, chimpanzees, and other apes.

Accessibility features: Caption

Evolving Ideas: How Do We Know Evolution Happens?

This video from Evolution focuses on one of the several lines of evidence for evolution -- fossils, highlighting the evolution of whales from land-dwelling mammals to the aquatic creatures we know today.

Accessibility features: Caption, Transcript

Finding Lucy

This Evolution video segment depicts the landmark hominid fossil finds by Don Johanson and his team in Ethiopia.

Accessibility features: Caption

Fish with Fingers

In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land.

Accessibility features: Audio Description, Caption, Transcript

Fossils

Fossils are indicators of past life. This collection of still images produced for Teachers' Domain features examples of fossils from plants, animals, and insects.

Gene Control

The development of creatures that appear to have nothing in common is directed by a surprisingly small number of genes. In this video segment, learn about the power of master control genes. Footage from The Secret of Life: "Birth, Sex & Death."

Accessibility features: Audio Description, Caption

Homo Sapiens Versus Neanderthals

This video segment, adapted from NOVA, explores reasons why Homo sapiens had an advantage over Neanderthals in the pursuit of territory and natural resources.

Accessibility features: Caption

Hummingbird Species in the Transitional Zones

This video segment from Evolution: "Darwin's Dangerous Idea" shows biologists Chris Schneider and Tom Smith studying hummingbirds and other animals in Ecuador. Their research is investigating the processes by which new species are formed.

Accessibility features: Caption

Laetoli Footprints

This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.

Accessibility features: Caption, Transcript

Laetoli Trackways Diagram

View a diagram of the hominid footprints that archaeologist Mary Leakey's team found at Laetoli in Tanzania.

Mike Novacek: Fossils in the Gobi

Biologist Mike Novacek discusses his discovery of mammal fossils in the Gobi Desert and what we can learn from them. From Evolution: "Extinction!"

Origins of Humankind

In this Evolution feature, examine a six-million-year-long fossil record to learn about the evolution of the human family.

Record of Time

Enter the exciting world of dating ... fossil dating, that is. From Record of Time by anthropologist Dennis O'Neil.

Accessibility features: Long Description

Riddle of the Bones

In this Evolution Web feature, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.