In the mid-1910s in London, most houses didn’t have a bathroom so kids had to go to wash houses, where workers would clean them. In this photo, two young boys are being cleaned in a wash house while another boy waits for his turn.
Real steam at night — JS-class locomotive in Sandaoling, China, showering sparks during a firebox clean
This is what the most resilient creature on Earth looks like under a microscope. The Tardigrade can survive radiation levels hundreds of times higher than a human can withstand.
