In addition, many people think that all that extra brainpower leads to eccentric or quirky behavior. And although geniuses are fairly easy to spot, defining exactly what makes one person a genius is a little trickier. Figuring out how that person became a genius is harder still. There are two big things that make it difficult to study genius:
In 2008, a Russian tabloid newspaper was closed down by its owner after it ran a story on the rumoured relationship. Mr Putin divorced Lyudmilla, his wife of 30 years, in 2013. Russian President Vladimir Putin and his ex-wife Lyudmila Putina (Getty) Friday's unconfirmed reports about a new child were the latest in a series of rumours to circulate since Mr Putin, 62, cancelled a planned trip to Kazakhstan on Wednesday.
Divorce is common in Russia, and nearly 700,000 pairs dissolved their marriages in 2009, according to UNICEF. Russian President Vladimir Putin greets British Prime Minister Tony Blair as his wife Lyudmila greets Blair's wife Cherie at the start of the G8 summit in St Petersburg in 2006.