Disturbed lead singer David Draiman comforted a young girl who started to cry after he invited her and her parents onstage.

Biologists at Yellowstone Park captured amazing footage of adult wolves carrying "toys" back to the den to comfort their awaiting pups.

Kurzgesagt offered several scenarios showing how black holes and their gravitational singularities might be destroyed.

Russell Samora of The Pudding created a musical online clock that plays a song with the exact time in its title.

The Brooklyn Cyclones of Coney Island hosted their Seinfeld Night where several people participated in a hilarious "Elaine Dance Contest".

Marques Brownlee visited 3D Pets where he documented their advanced process of fitting a rescued tripod dog with a custom prosthetic leg.

The first episode of the PBS series Human Footprint explores the profound effect that the human population has had on elephant evolution.

That Is Interesting looked into the history of a huge yet random pit that sits in the middle of Chicago's prestigious Lake Shore Drive.

A thoughtful documentary focuses on Steven Wiltshire, an autistic artist who draws highly detailed cityscapes around the world from memory.

Heart performed live versions of their hit songs "Magic Man" and "Crazy on You" on the March 4, 1977 episode of "The Midnight Special".