10 Unbelievable Facts Part 4

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More mind blowing facts!
Part 1: http://endlessfacts.com/p/uc96Z
Part 2: http://endlessfacts.com/p/H2ball
Part 3: http://endlessfacts.com/p/YcMVe


1
In the 19th century, sausages were marketed as "bags of mystery."

2
It takes ten times as much energy to heat water as it does to heat iron.

3
As soon as tiger shark embryos develop teeth, they attack and eat each other in the womb.

4
Kanye North and Kanye South (but not Kanye West) are parliamentary constituencies of Botswana.

5
The animal rights group PETA claims that cows can suffer humiliation if people laugh at them.

6
In 2012, a pair of twins in Kenya were named "Obama" and "Romney."

7
Under Chairman Mao, every Chinese family was obliged to kill a sparrow a week to stop them eating all the rice. The project was ineffective because sparrows don't eat rice.

8
Until the 1960s, the only reliable pregnancy test was to inject a woman's urine into a female African clawed frog. If the woman was pregnant, the frog would ovulate within 12 hours.

9
Beijing, Seoul, and Tokyo all mean "capital" in their respective languages.

10
Slaves in America in 1850 cost the equivalent of $40,000. Today a slave costs about $90 on average worldwide.