Wolverines live up to tough reputation

In the first X-Men film, the comic book character Wolverine is asked if it hurts when his claws retract from his knuckles. His unflinching response: “Every time.” The real wolverine (Gulo gulo) is just as tenacious with new research proving it is a “winter endurance athlete.”

Visit link:
Wolverines live up to tough reputation

Follow us on