There's a regenerative candle that creates a new candle as it melts.
20
In major cities like Brooklyn and London, there are fake townhouses that hide subterranean chimney vents, emergency subway exits, and more. Camouflaged in plain sight, they normally go unnoticed within their architectural surroundings.
13
Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
34
Eminem repeated the 9th grade three times.
27