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Deep Look
The Sex Lives of Christmas Trees
Season 2
Episode 12
The humble pine cone is more than a holiday decoration. It's an ancient form of tree sex. Flowers may be faster and showier, but the largest living things in the world? The oldest? They all reproduce with pine cones.
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4:58
A “bee fly” is a freeloader that takes advantage of a bindweed turret bee’s hard work.
4:05
The scaled wormsnail cements its shell to a rock and snags its meals using mucus!
4:04
Step right up to see tiny springtails spin through the air with the greatest of ease!
3:44
Geckos navigate nearly any surface with an electron dance at the atomic scale.
4:31
The snake's forked tongue helps it smell in stereo.
3:22
Bird’s nest fungi look just like a tiny bird's nest. But those little eggs have no yolks.
3:36
How are frogs so amazing at catching bugs? It’s their supersoft tongue and special spit.
4:00
Mussels create byssal threads to attach themselves to rocks and each other.
4:10
Earthworms cozy up with a mate inside tubes of slime to make cocoons full of baby worms.
3:52
What keeps the boneless, jawless hagfish thriving after more than 300 million years? SLIME
5:04
Researchers use invisible lasers, ghastly wasps and more trickery to protect orange groves
4:20
As they gorge, oblique streaktail hoverflies help keep orange trees safe from disease.