The Dalai Lama is considered the reincarnation of a previous Dalai Lama — the current one is the 14th.

In 1971, the first email was sent.

The airplane allowed rapid global travel.

Your brain can store the equivalent of millions of gigabytes of information.

A mole of any substance contains exactly 6.022 × 10²³ particles — Avogadro's number.

The Tour de France covers approximately 3,500 km over 21 stages and is widely considered the hardest endurance race in sport.

Sound travels faster in solids than in air.

The first computer virus, Creeper, spread across ARPANET in 1971 and displayed the message 'I'm the creeper — catch me if you can!'

WiFi was partly developed using technology from radio astronomy research trying to detect exploding black holes.