Immense optical and radio telescopes now in the works promise to make astonishing discoveries about the cosmos. Produced by WGBH/Nova.

See how a human embryo develops the key characteristics that make it male or female. Produced by WGBH/Nova.

What is RNAi and how does it work? We’ll show you using cartoon metaphors as well as standard scientific terms. Produced by WGBH/Nova.

Explore Kilimanjaro’s six distinct ecological zones — each with its own climate, flora and fauna. Journey from dry fields and farms into steaming jungles, up through exotic heaths and moorlands to an alpine desert and finally a glaciated summit. Produced … Continue reading

Learn how our sense of taste works, and why we evolved the ability to detect flavors like bitter and sweet. Produced by WGBH/Nova.

Over 150 years later, science continues to confirm most of Darwin’s conjectures. Produced by WGBH/Nova.

Were people in North America long before the “first Americans”? Investigate the evidence using this interactive map. Produced by WGBH/Nova.

The Ocean Adventures team has opened up their collective journal, kept throughout the expedition, to share with the public their thoughts and experiences along the way. Read through the excerpted entries below to learn about daily life aboard the Searcher … Continue reading

In this time line, track some of the scientific milestones (blue) that led up to Everett’s theory and see how the idea of parallel worlds showed up in science fiction (red) all along the way. Produced by WGBH/Nova.

On the 18th anniversary of the Hubble Space Telescope’s launch, NASA released new telescope images of galaxies colliding. Collisions and mergers drive galaxies’ evolution. Each merger takes hundreds of millions of years, and most galaxies — including our own Milky … Continue reading

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