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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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4:48
They’re colorful, invasive and spreading fast. Meet the spotted lanternfly — and why it’s so hard to
7:26
From ocean depths to forests, some animals glow — and it’s key to their survival.
9:51
Eggs helped animals conquer land—but most mammals stopped laying them. Why is that?
10:17
Here’s what compound eyes really do — and why flies see you in slow motion.
15:28
Whether it’s seaweed cloaks or see-through wings, these animals know how to hide. Meet four masters
16:18
Meet four creatures who’ve mastered the art of making shelter.
4:46
Peppermint stick insect packs a peppermint-scented blast powerful enough to fend off hungry predator
18:20
Death might seem like the end, but for these five creatures, it’s just part of the job.
3:57
If there ever was a bug that we should all raise a glass of wine for, it's the mealybug destroyer.
4:30
Dragonflies and damselflies may look alike, but these expert hunters have distinct strategies.
3:28
Tiger beetles sprint so quickly they momentarily outrun their own vision!
3:50
Lovebugs can spend anywhere from a half-hour to a couple of days attached to each other.