8 XXX : for 500 years

The didgeridoo is a wind instrument developed by Indigenous Australians of northern Australia potentially within the last 1,500 years and still in widespread use today both in Australia and around the world [Wikipedia]

imgur.com category @Babelurker

In a given year, it costs roughly 躔 million to put seatbelts in every U.S. vehicle, which yields a rough estimate of ฮ,000 for every life saved. [SuperFreakonomics]

imgur.com category @beautiful_sausage