A generous and compassionate man named Prohor uses a remote control car to feed the many dogs and cats living in the streets of his city.

Ethan Chlebowski performed a number tests to determine if there was really a taste difference between red, white, and yellow onions.

Bloxsy tuned all the strings on his guitar to B and performed a variety of Black Sabbath riffs from songs he renamed for this experiment.

Flash Bytes offered a simple look at Calculus over the course of 15 minutes, noting that it is far more simple than people think.

Throwflame has created the Thermonator, a commercially available robotic quadruped dog equipped with their proprietary Arc Flamethrower.

While at Disney Imagineering Lab, Marques Brownlee tried out an amazing HoloTile floor which acted like a 360° omnidirectional, infinite treadmill.

Dakota of Inspire Exotics deadpanned the camera, noting that her parrots learned how to imitate the low battery sound on a smoke detector.

Pablo Rochat painted a box to look like a single dice and sent it to his friend, asking his followers to guess what number it would land on.

Popular Mechanics spoke with Jim Goodwin about the seemingly time-consuming, yet completely satisfying art of fitting ships inside bottles.

Map Men took a look at a phantom island in the South Pacific that was "discovered" by Captain Cook and plotted on Google Maps until 2012.