On Black Thursday, October 24 saw a frantic flurry of selling of more than 12 million shares. Trading slowed and then spiralled when a sudden slouch in share prices on October 29 (now known as Black Tuesday) caused the world's foremost market to crash.
$14 billion was wiped off the value of the New York stock exchange in the first day alone. Within four years over a third of America's banks were bust, leaving 11 famous suicide jumps in its wake. Millions more lost their homes and unemployment soared and it took the market 25 years to recover.
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.