February gets the shaft when it comes to days in the month. While other months last 30 or 31 days, February has 28 or 29, depending on the year. Why? Well, this video explains all of the fiddling that Romans did to the calendar, and how that resulted in a single short month.
Perhaps you have heard that cold does not exist – that what we subjectively experience and describe as cold is, in fact, the absence of heat. But what does that mean, exactly? Joe Hanson explains this mind-bending concept in the latest episode of It's Okay To Be Smart.
Ever wondered exactly how your favorite alcoholic beverage that isn't scotch is made? PBS's wonderful "It's Okay to Be Smart" series reveals the science of beer, from hops to bacteria to why we like it so damn much. Take notes; when the apocalypse comes you'll be glad you have 'em.
Our bodies may be (nearly) symmetrical on the outside, but our insides are a different story. Your heart, your stomach and spleen are all on the left side of your body, your liver on the right. But in one in 20,000 people, the sidedness of the organs is reversed.
Joe Hanson of PBS' ongoing series It's Okay To Be Smart. decided to find out of science could explain the world of Game of Thrones, from its lengthy seasons to its geography to dragons to milk of the poppy. The answer: ...uh, sometimes?
In the latest episode of It's Okay to be Smart, Joe Hanson takes a look at the far future of Earth, our solar neighborhood, the Milky Way and the Universe at large.
It's been a year since Joe Hanson took his fantastic science tumblr, It's Okay to be Smart, to YouTube. To celebrate, his latest episode takes a look at the ways humans experience years biologically, and how we define them astronomically.
Apparently It's Okay To Be Smart thinks it's okay to be sexist. The science-themed YouTube show is taking a ton of flak after releasing a video portraying Albert Einstein as a lecherous old man who can't keep his hands off Marie Curie during Thanksgiving dinner.
In the latest episode of It's Okay to be Smart, Joe Hanson takes a look at evolution's many (many, many) super-human solutions to the selective pressures of the natural world. If you've ever needed evidence of evolution's boundless creativity, look no further than this collection.
Sometimes paying close attention can cause us to overlook the seemingly obvious. Then again, if we couldn't focus our minds on a single task, we'd never get anything done.
And where the hell does it come from, anyway?
Ever wondered why OutKast's "Hey Ya!" can put a manic grin on your face? Or why Adele's "Someone Like You" makes you sob like a baby?
That is to say: it's a eukaryote (see the membrane-bound organelles?) plucking away at a ukelele while perched atop a cucumber.
Current estimates put the number of stars in the Milky Way at well over 100 billion, each of which is thought to have at least one planet in its orbit. Assuming at least some of these planets have given rise to intelligent life capable of communicating with Earth, why haven't we heard from them yet?
Joe Hanson, creator of the fantastic science tumblr It's Okay to be Smart, has a new YouTube science show by the very same name. He's teamed up with PBS to make it happen, and it sounds like they've got big things in store.
Happy birthday, Carl Sagan! The legendary astronomer, astrophysicist, cosmologist and science educator would have been 78 today. To celebrate, we've rounded up a handful of our favorite Sagan posts and curated some stellar content from other websites that are honoring him today. Feel free to contribute in the comments!