He compares mental maths to sprinting, saying nobody questions people who run fast, but there's always ... "Never did I ever imagine I'd become the fastest human calculator." ...

Considered the fastest human being in history, Bolt can reach a top speed of 27 mph, which is faster than a lot of animals. Follow BI Video: On Twitter More from Sports Usain Bolt, the eight-time ...

The Parker Solar Probe continues to break the record for the fastest human-made object ever built ... the speed of sound… so ...