Sunlight takes about 8 minutes to reach the Earth. If sun explodes, we will not know about it for 8 minutes.

Shredded books are used in capacity of sound absorber to make roads. A mile of motorway consumes about 50,000 books. In construction of British M6 Toll Road 2 500 000 old Mills and Boon novels were used.

Capers are pickled buds of perennial plant called caper. Caper buds flower and produce a fruit called a caper berry which also can be pickled.

Whale milk is one of the highest-fat milks, containing up to 50% fat. It is not used for human consumption.

A pilot and a co-pilot of a passenger plane have to choose different meals from the in-flight menu so that they do not get food poisoning at the same time.

The term Wi-Fi that many believe to mean Wireless Fidelity was coined in 1999 as a wordplay on Hi-Fi since the creator of this standard with official name IEEE 802.11b Direct Sequence wanted a catchier name.

In accordance with intellectual property laws, photos of the Eiffel Tower in daytime are legal for resale, while night shots showing the light show are not.