NASA is estimated to have sent over 2200 animals into space including insects, pigs, monkeys, rats, rabbits and spiders, 2000 were sent on one mission STS-90 in 1998.

A safe surgery checklist, including questions such as “Do we have the right patient?” and “What operation are we performing?”, has been proven to reduce deaths by more than 40%.

In the 16th and 17th centuries, Europeans including royalty, priests and scientists, routinely ingested remedies containing human bones, blood and fat as medicine for everything from headaches to epilepsy.

In the Netherlands, there are dozens of public facilities where you can bring recreational drugs including marijuana, cocaine and ecstasy to test if they are safe.