Tower of hanoi problem

Sahastrabahu Temple in Rajasthan, India

Japanese wood joinery

design your cities to create as little light pollution as possible

the infamous weather stone :)

reading the markings on a windsock

african painted dogs follow the alpha in a single file

bald eagle cooperative parenting

the sac worm and its ability to create zombie snails

Lapland, Finland photographed by Konsta Punkka