Colorado’s State Capitol Has Pretty Much All The World’s Rose Onyx
Today in 1858, the founding of the city of Denver, Colorado. The state capitol building in Denver features a kind of stone known as Colorado Rose Onyx, and so far it's the only one.
How Auctioneers Keep Up Their Patter And Get Bidders To Bid
It's National Tongue Twister Day, and among those who practice tongue twisters as part of their training are auctioneers.
The Talking Stamps Of Bhutan
October is National Stamp Collecting Month, and there are perhaps no more collectible stamps than the ones out of the small Asian country of Bhutan - like the "talking stamps" that were also vinyl records.
The Deepest Hole People Ever Made
In northwestern Russia, on the Kola Peninsula, there's a metal cap covering a hole that scientists dug 7.5 miles down. Here's the story of the Kola Superdeep Borehole project.
Earth Makes A Seismic Pulse Every 26 Seconds
Earth makes lots of seismic noise, but there's one that's mysterious - a slight pulse every 26 seconds called a microseism off the coast of West Africa. What causes it? We don't know!
Dude, Where’s My Billion Years Of Geology
Scientists have been trying for years to figure out why there's a gap in Earth's geologic record that's about a billion years long, known as the Great Uncomformity.
“Fordite” Is The Gem Made From Paint At Auto Factories
Back in the days when auto workers spray painted new vehicles, excess paint would harden and accumulate into a substance that looked like colorful gemstones. Jewelers have been making works of art out of "fordite" ever since.
Why Is It So Hard To Tell A Real Rembrandt Painting From A Copy?
Decades ago researchers announced a Rembrandt painting was not actually by Rembrandt at all. But on Sunday, researchers said they'd looked again and the painting probably was an actual Rembrandt. There are lots of challenges to verifying whether a Rembrandt is really his work or just a simulation.