DYK-DEZ_2018-31

Lamp

31 December, 2018

The oldest lamp in the world has been operating since 1901.


DYK-DEZ_2018-29

Polar bear

29 December, 2018

The fur of the polar bear is not white, it is transparent. It looks white because it has tiny air bubbles for its thermal insulation, which disperse the light.

DYK-DEZ_2018-28

Nutmeg

28 December, 2018

Nutmeg is extremely poisonous if it is injected into the veins.

DYK-DEZ_2018-27

Spider web

27 December, 2018

The most resilient "material" created by nature is the spider's web.