The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...
Although not common, the short sleep gene allows the lucky few to enjoy 5 hours of sleep or less a night and still wake up feeling refreshed and ready for the day. As if that wasn't enough of a boon, ...
Test your sharp observation skills with a fun optical illusion challenge! Spot the correctly oriented '95' among dozens of inverted ones in just 9 sec ...