During one seven year period, Thomas Edison obtained approximately three hundred patents. In is whole life he obtained over one thousand patents.

During one seven year period, Thomas Edison obtained approximately three hundred patents. In is whole life he obtained over one thousand patents.

Hummingbirds can weigh less than a penny.

Watermelons can cost up to $100 in Japan.

The sun’s total lifetime as a star capable of maintaining a life-bearing Earth is about 11 billion years. Nearly half that time has passed.

In one day, a human sheds 10 billion skin flakes. This amounts to approximately two kilograms in a year.
