
Search Results for SciShow


The Case of the Wandering Uterus and Other Erroneous Definitions of the Word ‘Hysteria’
In a frenzied episode of SciShow, host Hank Green explains the very complicated, strange and frankly disconcerting history of the term “hysteria”. The term originated…

The Specific Alkaloid in Chocolate That Makes it Deadly to Dogs and Cats
In a cautionary episode of SciShow, the energetic new host Olivia Gordon explained why theobromine, an alkaloidal component in chocolate, is safe for most humans…

Why Dogs Tilt Their Heads When Listening
SciShow host Michael Aranda offered several examples that may explain why dogs tilt their heads, particularly when a human is speaking. The first theory supposed…

The Strange Signal From Space That Could Be Alien Contact but Probably Isn’t
SciShow Space host Caitlin Hofmeister explains the story behind recent headlines about astronomers confirming an alien signal from space. Although the story sounds sensational, its real…

SciShow Explains the Physics of Roller Coasters
SciShow host Michael Aranda explained the physics of roller coasters. Besides the basics, the video also explains more complicated launch and braking systems used in…

Scientific Reasons Why Some People Need to Poop After Drinking Coffee
SciShow host Michael Aranda gives some possible scientific reasons why some people need to poop after drinking coffee. The reaction is seen in about 30%…

An Explanation of What Silicon-Based Life Could Look Like and Whether It Could Even Exist
SciShow Space host Caitlin Hofmeister explained what silicon-based life could look like, where it might be found, and whether or not it could even exist.…

The Mental and Physical Reasons That Explain Why Cats Love Boxes So Much
In response to a viewer question, SciShow host Michael Aranda took a look the odd fascination that cats have with boxes, explaining some of the…

Why Virtual Reality Headsets Make Some Users Feel Sick
SciShow host Michael Aranda explained why virtual reality headsets make some users feel sick, and the ways engineers are trying to fix the problem. You’re…