ActionAdventureTwins joined fellow spelunking brothers Deep Freedom to explore a tiny hole in the forest that led 220 feet underground.

Ryan Socash explores the history of the AT&T Microwave Radio-Relay Skyway, which carried the first cross-country telephone call.

A talkative yellow-headed parrot calmly sat on his human's shoulder in the car as they rode through an automatic car wash.

Raúl Nava of the MBARI explained how the glass squid employs an invisible color-changing cloak to hide in plain sight.

A beautiful black rhino named Jozi hungrily dug into the juicy goodness of a ripe watermelon on a sunny day at the Oregon Zoo.

SciShow host Stefan Chin explains the sources of unexpected sounds that have been found in nature thanks to advanced audio equipment.

RobWords and Professor Mark Liberman to discuss Eggcorns, the linguistic term for quirky interpretations of misheard homonymic phrases.

Edward Vega explains how directors such as Wes Anderson and Chris Nolan helped revive the art of miniature models for their films.

There I Ruined It reimagined Elvis Presley singing the lyrics from the Sir Mix-A-Lot single "Baby Got Back" as "Don't Be Cruel".

Mary Elizabeth Kelly, who previously performed 17 impressions of celebrities in 45 seconds, demonstrated the specific key words and gestures she uses to get into character.