Dancers with The Australian Ballet gracefully recite the English Alphabet using ballet terms relating to their pointe shoes.

MayTree performed a resounding cover of the theme from Back to the Future with sound effects and all.

Cat expert Jackson Galaxy explained the various reasons why cats love cardboard boxes but hate their carriers.

Animator Sam O'Nella used his distinctive stick figure to humorously describe the random manner in which animals are given scientific names.

Vocalist Geoff Castellucci performed a low bass cover of the western song "(Ghost) Riders in the Sky" with four ghost cowboys on either side.

In a 1989 episode of the British television show The Ghost of Faffner Hall", musician Thomas Dolby explained how a synthesizer works.

Robyn Adele Anderson performed the iconic White Stripes song "Seven Nation Army" as a snappy bluegrass cover that includes banjo and violin.

Sprice Machines built a delightful Rube Goldberg machine that takes all the fixings for a perfect picnic out of the basket and onto a blanket.

Swedish musician Mattias Krantz tried to add electricity to a metal hammer piano with help from ElectroBoom.

A statuesque Savannah cat in Michigan named Fenrir Antares Powers has set the Guinness World Record for the "Tallest domestic living cat".