PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Run. Leap. Swim. Pounce. Slither. Fly. Life moves in countless ways – but it wasn’t always this way. When animals first emerged, they clung to the seafloor, until a single twitch sparked a revolution. From the first muscle to the first heartbeat, from lobe fins that pushed life onto land to legs built for speed, movement reshaped the planet.
Sex changed everything – evolutionarily speaking, that is. By shuffling the genetic deck it unleashed variation, fueling diversity and throwing evolution into overdrive. But how did this radical innovation begin? From the first exchange of genes to the origins of males and females, uncover the evolutionary leaps that reshaped life.
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