The puppy shark stage usually happens when a puppy is between 6 to 12 weeks old and they start nipping, biting and chewing everything, including your hands, feet, clothes and sometimes even your hair.

It's hard to resist a puppy's adorable face, but don't be fooled — they're willing to be a little rough around the edges if it means they'll get what they want! And at a young age, they don't quite ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford.View full profile Eleanor has an ...

The words "harmless" and "shark" are not often used in the same sentence—usually, one may associate the apex predator with words like "dangerous" and "scary." Often they are considered to be ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...