unbfacts: In 17th-century England, rich landowners planted grass lawns on their most visible land to show off their wealth. Since only the very rich could “waste” good land growing grass instead of food, a big lawn told everyone you weren’t a farmer—you were rich. Source
unbfacts: The low, rumbling frequencies in heavy metal music mimic the vibrations of injured fish, which is why researchers and filmmakers have used underwater speakers blasting heavy metal to attract great white sharks. Source
Full Fact takes a look at Labour’s pledge to introduce legislation to make changes to workers’ rights, including banning zero hours contracts and ending ‘fire and rehire’.Source
At first glance, all human blood may look the same; that is red, liquid, and critical for sustaining life. However, under a microscope and in… The post Why Do We Have Different Blood Types? first appeared on KickassFacts. Source
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