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Banana Slugs: Secret of the Slime
3:51
Season 1 Episode 9
Banana Slugs: Secret of the Slime
Beneath the towering redwoods lives one of the most peculiar creatures in California.
In the Race for Life, Which Human Embryos Make It?
3:38
Season 1 Episode 8
In the Race for Life, Which Human Embryos Make It?
Every one of us started out as an embryo.
How Electric Light Changed the Night
3:05
Season 1 Episode 7
How Electric Light Changed the Night
Artificial light makes the modern world possible.
The Fantastic Fur of Sea Otters
3:23
Season 1 Episode 6
The Fantastic Fur of Sea Otters
Sea otters aren't just cute -- they're a vivid example of life on the edge.
What Gives the Morpho Butterfly Its Magnificent Blue?
3:03
Season 1 Episode 5
What Gives the Morpho Butterfly Its Magnificent Blue?
What does it mean to be blue?
The Hidden Perils of Permafrost
3:11
Season 1 Episode 4
The Hidden Perils of Permafrost
Mysterious bacteria lay dormant in the Arctic permafrost.
What Gall! The Crazy Cribs of Parasitic Wasps
2:58
Season 1 Episode 3
What Gall! The Crazy Cribs of Parasitic Wasps
Plenty of animals build their homes in oak trees.
The Amazing Life of Sand
2:46
Season 1 Episode 2
The Amazing Life of Sand
There's a story in every grain of sand.
Pygmy Seahorses: Masters of Camouflage
2:26
Season 1 Episode 1
Pygmy Seahorses: Masters of Camouflage
Pygmy seahorses survive by attaching to vibrant corals.
Deep Look Season 12
4:54
Episode 1
Want a Cozy, Free Home? Ask This Caterpillar How
After growing up inside a “grass taco,” a grass skipper butterfly emerges and woos a mate.
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