The world is urbanizing faster than ever, with over half of the planet’s population currently living in cities—more than any time in history. But when did this trend of “urbanization” start? It turns out its roots go back much farther than we thought.
Definitely don't try this at home (or if you happen across a volcanic vent), but if you've ever wondered what would happen if you pressed down on hot lava, this video is a must-watch. It's a great lesson in how the reality of lava differs from the way many people think of the substance.
Really loving this demonstration of fluid density from Victoria, Canada's School-Based Weather Station Network. It's incredibly simple, but surprisingly effective. Every grade school on Earth should have this setup.
At first, the exoplanet 55 Cancri e didn't look all that impressive: just another large rocky planet circling its star every couple of days. But a recalculation of its orbit has revealed that it's the galaxy's densest known planet.
In twenty years, people will want homes that are half the size of today's mini-mansions, for half the price, a leading futurist claims. And housing will get denser, as exurban areas turn into small city centers. It all sounds awesome. The trouble is, futurists were making the exact same prediction twenty years ago,…