04:21
Deep Look
These Giant Leaf Insects Will Sway Your Heart
Giant Malaysian leaf insects stay very still on their host plants to avoid predators.
Porcupines Give You 30,000 Reasons to Back Off
See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.
Porcupines Give You 30,000 Reasons to Back Off
Season 6 Episode 7 | 4m 15s | CC
Porcupines may be adorable, but their quills are razor-sharp, designed to impale and next to impossible to remove. But it's not all bad news. Researchers are designing new surgical staples that mimic the quill's shape to better close wounds and promote healing.
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