Imagine tourists flocking to a famous beauty spot, only to turn around and fix their eyes on its reflection in a tiny dark mirror.
Armed with just some textbooks and a kerosene lantern, Rosa Hernández Acosta taught literacy in rural Cuba without electricity, running water, or paved roads.
For some sand-dwelling plants, stickiness is a defense tactic that keeps predators at bay.
In 1916, the Williamson brothers used their father's underwater photography device to film a fight with a shark, piquing Universal Pictures' interest.
Philosopher John Gray on why he is critical of prevailing ideas of progress, his friendship with Isaiah Berlin, and the wisdom of cats.