During fires, trees can burn from within. And this is very dangerous - because you can't see anything on the outside, and smoldering of such a tree can go on for weeks after the fire seems to be extin
Batzorig Vaanchig, a famous Mongolian Throat Singer, sitting on a mountaintop and singing “Chinggis Khaanii Magtaal” (In Praise of Chinggis/Genghis Khan).
The white spots you see behind the tiger's ears. They're called ocelli, and they're part of this predator's silent strategy. When the tiger lowers its head to drink water or rest, the ocelli are expos
CX-52 Hagelin Cryptos Cipher Machine. Manufacturing was funded by the CIA and BND during the Cold War. Countries that were not “friends” of America and Germany were sold a weaker version, allowing the
Close-up of the Flagellation scene on the bronze doors of the Duomo di Milano where millions of passing tourists touching the figures for good luck have stripped away the dark patina leaving the bare
In the 1920s, the US built a coast-to-coast visual highway of rotating searchlight towers and 70-foot concrete arrows to guide nighttime airmail pilots
What happens when you cut the tail of a Prince Rupert’s Drop, causing the internal tension to instantly shatter the glass at 3,000 mph. (Credit: SmarterEveryDay)
The Chasm" is an acclaimed nighttime image captured by New Zealand astrophotographer Tom Rae, depicts a profound, 100m vertical descent into underground cave network in New Zealand's North Island at n
Elbe 2 is a WWII submarine bunker in Hamburg, Germany, that still holds the wrecks of three WW2 submarines. In 1995, the wrecks were covered in sand and concrete and are now entombed beneath a parking
