Strolling along London's Zoological Gardens in 1876, Sir Francis Galton stopped in front of the lion enclosure, pulled out a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. We’ve long known that dogs are pretty smart. They may “picture ...

Cat Warren, author of "What the Dog Knows," talks about what scientists know about working dogs and their powerful sense of smell.