Cigarettes aren’t good for us. That’s hardly news — we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna Sudhir details what happens when we smoke — and when we quit. [TED Ed]
Here’s a funny yet comprehensive, rap breakdown of Einstein’s Theory of Relativity by the always amazing Mac lethal. Note: The song starts at 0:52. With the help of physics experts like my friend Neil deGrasse Tyson, Geoff Grimes, Jake Pursley and Jonathon Russell, I slowly, but surely, started piecing everything together until it made enough […]
Depression is not just feeling hopeless or apathetic, there are lots more symptoms that we aren’t familiar with such as memory loss, rumination, self-blame, and more! Find out more about them in this video from SciShow. [SciShow Psych]
To create this video, the European Southern Observatory used 26 years of data from its various telescopes! How amazing is that? This zoom video sequence starts with a broad view of the Milky Way. We then dive into the dusty central region to take a much closer look. There lurks a 4-million solar mass black […]
Scientists have developed a new way to activate neurons in the brain, which brings us one step closer to being able to program those big, meaty computers on top of our necks. Learn more in this episode of SciShow Psych. [SciShow Psych | Via GT]
The universe began in a Big Bang nearly fourteen billion years ago, and has been expanding ever since. But how does the universe expand and what is it expanding into? Sajan Saini explains the existing theories around the Big Bang and what, if anything, lies beyond our universe. [TED Ed]
We all know turtles live an amazingly long time, but what’s their secret? And can we apply it to humans? [SciShow]
From Reactions: Why does baking powder say “double acting” on the container? Is that better than single acting? This week on Reactions, we explain — with chemistry! [Reactions]
Sometimes your cat looks at you like they’re just absolutely revolted. So, does your cat think you’re gross? [SciShow]
Cats have an amazing ability to leap, but sometimes even the most sure-footed felines take a tumble… [National Geographic]