National Geographic

Dettifoss - the most powerful waterfall in Europe, Iceland National Geographic

This is called the Rehbinder effect, which in physics is a decrease in the hardness and plasticity of a material due to a surface-active molecular film. National Geographic

If necessary, whales can easily go without sleep for three months. Well, they sleep almost on the surface of the water. The body of the whale has a large content of light adipose tissue, so the weight of the animal sligh…

The bouncing bomb is a special depth bomb developed by British engineer Barnes Wallace to destroy dams in the Ruhr region of Germany. National Geographic

In a storm off the coast of the Netherlands, a cargo ship collided with a tanker and received a hole. People were evacuated by helicopters, which turned out to be a difficult task with strong winds and seven-meter waves.…

Dilapidated busts of former US presidents in rural Virginia. National Geographic