DYK-AGO_2018-7

Shoes

7 September, 2018

Before 1800, the shoes for the right and left feet were the same.

DYK-SET_2018-6

Old people

6 September, 2018

By 2014, 110,000 people were over 100 years old.

DYK-SET_2018-5

Woodpecker

5 September, 2018

The woodpecker can give a hundred pecks per minute in a tree.

DYK-SET_2018-4

Acupuncture

4 September, 2018

Acupuncture was first used as a medical treatment in the year 2700 BC by Chinese Emperor Shen-Nung.