Arizona PBS Previews

NOVA : 4419

Preview | 30s

“Extreme Animal Weapons” – Explore the secrets that underlie nature’s battleground. Every animal has some kind of weapon, whether claws or horns, fangs or stings. But why are some armaments huge and extreme, far beyond any practical need?

Aired: 11/22/17

Expired: 11/22/17

Rating: NR

Problems Playing Video? | Closed Captioning

Arizona PBS Previews is a local public television program presented by Arizona PBS.