Few places are as well-known in America’s cultural mythology as Area 51, said to house remnants of crashed alien space ships. A new declassified CIA history of Area 51 hints that high-tech spy craft, including forerunners to unmanned drones, sparked American imaginations.

A moonscape corner of Nevada known as Area 51 became synonymous with cold-war spy craft and intrigue – home to Project Aquatone and Operation Baby Face – but also gave rise to a whole body of UFO literature after a durable seed was planted in the American imagination: Could the truth about whether we’re alone in the universe be “out there”?

It's one of those stories that makes you want to run to your nearest rummage or garage sale and find that one-in-a-million long-lost art work to buy cheap and sell for millions.

A 49-year-old man found an unimpressive sketch portrait in 2010 at an estate sale in Las Vegas.

The sketch was not particularly impressive or noteworthy, but for the signature in the bottom right corner that reads "Andy Warhol."

Did you know that Japanese children clean their schools every day for a quarter of an hour with teachers, which led to the emergence of a Japanese generation who is modest and keen on cleanliness.

Did you know that any Japanese citizen who has a dog must carry a bag and special bags to pick up dog droppings. Hygiene and their eagerness to address cleanliness is part of Japanese ethics.

Evolution never helps the selfish, according to scientists.

A new study reveals new evidence that evolution favors cooperation over selfishness.  Researchers explain that while selfishness can offer short-term success, selfish people will eventually become extinct because they will sooner or later be outnumbered by competitors who cooperate to achieve shared goals.

In the study, published in the journal Nature Communications, researchers used high-powered computing to run hundreds of

Shifts in climate are strongly linked to increases in violence around the world, a study suggests.

US scientists found that even small changes in temperature or rainfall correlated with a rise in assaults, rapes and murders, as well as group conflicts and war.

The team says with the current projected levels of climate change, the world is likely to become a more violent place.