Real Science examined the elegant biology of the giant manta ray, s surprisingly gentle and highly intelligent cartilaginous fish.

Mathematician Katie Steckles explains how to perfectly wrap a present using a simple mathematical shortcut.

Sandra Mouawad is an incredibly generous Lebanese woman who heroically rescues stray dogs and cats from the streets full time.

A kangaroo in Queensland, Australia decided that a simple hop into the ocean would be a nice, refreshing way to cool off on a hot day.

Soren Madsen performed a fingerstyle cover of the classic Christmas novelty carol “I Saw Mommy Kissing Santa Claus” on classical guitar.

While appearing on The Tonight Show in February 1986, Robin Williams hilariously used his very quick wit to outtalk host Johnny Carson.

Lars Dahlhaus, Wolfgang Menzel and brewmaster Alexander Himburg created Momentum Brewery, a solely NA brewery in New York.

The Dallas Morning News posted fascinating POV footage that shows what happens to checked luggage at Dallas Fort Worth International Airport.

DJ Cummerbund stitched together a merry mashup of the José Feliciano Christmas song "Feliz Navidad" with the Billy Idol song "Rebel Yell".

An outgoing tortoise named Ethel loves to go out walking with her humans, stopping every so often to ask for a butt scratch from a neighbor.