NOVA

Becoming Human: First Steps Six million years ago, what set our ancestors on the path from ape to human? Watch the program.
Making Stuff Technology reporter David Pogue hosts a 4-part special series exploring the materials that will shape our future. Watch a preview.
How Lightning Works It's like a giant spark in the sky, though with a few puzzling differences. Learn about lightning.
Trapped in Salt Take a narrated photo tour of quarter-billion-year-old water bubbles. What's in the bubbles?
Becoming Human: Birth of Humanity New discoveries reveal how early humans hunted and formed families. Watch the program.

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The Four-Winged Dinosaur
Surprising fossils from northeastern China spur a debate over how birds evolved.
Lizard Kings
Meet the monitors, the largest, fiercest, and craftiest lizards on Earth.
Lord of the Ants
Naturalist E.O. Wilson's fascination with little creatures has led him to some very big ideas.
Alien From Earth
Do the remains of a tiny hobbit-like creature found on the island of Flores belong to a new human species?
Riddles of the Sphinx
A marvel of ancient Egyptian engineering is threatened. Can it be saved?
What Darwin Never Knew
One hundred and fifty years later, scientists decode nature's greatest mysteries—a two-hour special.

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