Size Matters: Narwhals With Longer Tusks Have Bigger Testicles

Narwhals grow long tusks, if they have the balls to do it. The spear at the end of the male sea unicorn has been variously thought to be a sensory organ, a device for battling other males, or an elaborate reproductive signal. New evidence shows they're the whale version of peacock feathers. » 9/22/14 6:42pm 9/22/14 6:42pm

Nat Geo Wild's Radical Approach to Science TV: Being Truthful

Science television in America has had a rough few years. We've been told that mermaids exist (they don't) and that Megalodon lives (it doesn't). Investigative journalists have discovered that some wildlife shows mistreat animals. But Nat Geo Wild has largely bucked the trend of misleading or lying outright to viewers. » 9/18/14 5:15pm 9/18/14 5:15pm