The 'People Map of the United States' zooms in on America's obsession with celebrity
- Replace city names with those of their most famous residents and you get a peculiar map of America's obsession with celebrity.
- The multitalented Dwayne Johnson, boxing legend Muhammad Ali and Apple co-founder Steve Jobs dominate the West Coast.
- If you seek fame, become an actor, musician or athlete rather than a politician, entrepreneur or scientist.
Average waiting time for hitchhikers in Ireland: Less than 30 minutes. In southern Spain: More than 90 minutes.
- A popular means of transportation from the 1920s to the 1980s, hitchhiking has since fallen in disrepute.
- However, as this map shows, thumbing a ride still occupies a thriving niche – if at great geographic variance.
- In some countries and areas, you'll be off the street in no time. In other places, it's much harder to thumb your way from A to B.
Three scientists publish a paper proving that Mercury, not Venus, is the closest planet to Earth.
- Earth is the third planet from the Sun, so our closest neighbor must be planet two or four, right?
- Wrong! Neither Venus nor Mars is the right answer.
- Three scientists ran the numbers. In this YouTube video, one of them explains why our nearest neighbor is... Mercury!
First contact movies had their Golden Age in 1980s America – now they're going global.
- The first extra-terrestrial to make contact (in a movie) appeared in 1920s Germany.
- ET set off a wave of 'first contact' movies in the 1980s.
- Many recent alien-landing movies are set in China and India – the future of the genre may well be Asian.
Air pollution is up to five times over the EU limit in these Central London hotspots.
- Dirty air is an invisible killer, but an effective one.
- More than 9,000 people die prematurely in London each year due to air pollution, a recent study estimates.
- This map visualizes the worst places to breathe in Central London.