Why is it Hot Underground? [Science Video]
The deeper we go underground, the hotter it gets, but why is that? Sure, we all know that the Earth’s core is hot, but the answer is a little more complex than that. [Minute Earth]
The deeper we go underground, the hotter it gets, but why is that? Sure, we all know that the Earth’s core is hot, but the answer is a little more complex than that. [Minute Earth]
Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved to use the least amount of energy while carrying the most information possible — a feat that requires the entire brain. Richard E. Cytowic debunks […]
If you didn’t entirely understand what is going on in the video above, watch the video below! And even if you think you understood it, watch it anyways, this is really fascinating! [It’s Okay To Be Smart]
Aw, don’t be embarrassed everyone does it! Quick Questions explains what causes blushing, which Darwin called “the most peculiar and most human of all expressions.” [SciShow]
The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That’s some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages (you’ll see) that go into making tattoos stand the test of time. Related Posts: […]
At standard sea level pressure, liquid nitrogen has a boiling point of -321 °F / -196 °C. That’s just 77 °C above absolute zero. It’s very cold stuff! Solid nitrogen is something few people have ever seen. In this lecture, ChefSteps explains why liquid nitrogen goes solid under an extreme vacuum. [ChefSteps | Via UD]
While no laughing matter, this sad look at Honeybees’ Colony Collapse Disorder (CCD) shines the light at a very real problem that could affect us more that we might like in the near future. A new animation by our friends over at ADHD. The mechanisms of CCD and the reasons for its increasing prevalence remain […]
Pluck the silk of a spiderweb and it vibrates just like a guitar string, allowing a spider to detect the presence of a meal or a mate located on its web via sensors located in its legs. [NPR]
Ever wonder what all those names on the periodic table actually mean? There’s a whole lot of fascinating history on Mendeleev’s table. Some carry names from antiquity, some are named for people, some are named for places, and some are named for mythical beings. Discover the etymology of the elements! [It’s OK To Be Smart]
The science of BBQ, the most delicious science there is! [It’s OK To Be Smart]