5 Unbelievable Real Facts

These five facts sound unbelievable but they are real. Fact number one. Your heart beats

around one hundred thousand times every day. That means over three billion beats

in an average lifetime. Even while you sleep, your heart never

takes a break. Fact number two. Lightning heats the air to about thirty thousand degrees

Celsius. That is five times hotter than the surface of the Sun.

This sudden heat is what creates thunder. Fact number three. When you listen

to music you love, your brain releases dopamine. The chemical linked

to pleasure and motivation. Fact number four. Your smartphone is millions of times