This is a video of Youtuber The Action Lab producing a black fire that casts a shadow by exposing an alcohol flame to salt water that's all...

This is a clip from A Squirrel's Guide to Success on PBS of a group of squirrels learning to make their way across a pillar-based obstacles course...

This is a chart created by Chetan Sharma that shows that if the entire world's population of 7.7-billion lived as densely packed as people do in the...

This is a video from the unmanned submersible Hercules of thousands of deep sea octopuses brooding upside-down over their eggs. Why do they do that? No clue....

This is a timelapse video of two houseplants (Oxalis triangularis, aka false shamrock, and a Marantra species) seen moving throughout the day. So dynamic! It's almost like...

This is an animated video created by Jared Owen detailing the inner workings of the humble gumball machine. I thought the engineering of the coin mechanism was...

This is a five minute video of Andrew Zimmerman Jones of Ted-Ed providing a short history of humanity's notion of time, then "a brief overview of the...

This is a fascinating five minute video discussing the Apollo 11 mission to the moon, and what it took to be a success. SPOILER: A whole bunch...

China intends to launch a luminous artificial satellite into geosynchronous orbit above Chengdu (the capital of China's southwestern Sichuan province) by 2020, to help supplement street lights...

Note: Larger version HERE. Tired of the traditional global mapping method (the Mercator projection, which makes landmasses near the poles appear larger than they really are) this...

This is a video of Belgian Youtuber PressTube pouring molten aluminum into an underground wasp's nest to create a relatively unimpressive 24-pound casting of its shape (previously:...

This is a short video of an extremely eyebrowed young caracal cat begging for/possibly demanding some food from its caretaker. The typically nocturnal and secretive (rarely observed...

These are two video demonstrations of the self-solving Rubik's Cube built by Youtuber Human Controller. You can mix it up all you want, and the cube will...

Remember Blue Marble? Well this is the sequel, Blue Marble 2, a Rube Goldberg style machine that moves the titular blue marble around a 2-D course via...

This is a video highlighting three new recently discovered species of snailfish located by scientists using an unmanned submersible at the bottom of the Atacama Trench (aka...

This is a video from a diver off the coast of Illes Balears, Spain, who produces two bubble rings then watches them combine Voltron style to form...

This is a video highlighting all the different parts of a butterfly (Pseudozizeeria maha -- the pale grass blue butterfly) as viewed through a scanning electron microscope....

This is a video discussion and demonstration of the reverse filter developed by scientists that allows larger, heavier objects to pass through, while trapping smaller, lighter ones....