First of all, on the 'natural occurrence and say,' Who is the challenge

Exam topics / Thank you,

it was in 1668, to a Mingjiao Lei (1626-1697), Italian doctor, first thought to be This point of view of scientific experiments.In accordance with the natural occurrence of life that can carrion Health maggots.Mine would be to buy some meat, cut into a piece, put a few containers.Xibu covered with some containers, let fly Contact with meat; some containers do not cover the lid and let the meat directly exposed to the air.A few days later, although all of these rancid meat, but does not cover the meat Xibu Health maggots does not cover all the meat Xibu birth to maggots.Test To prove that the maggots do not have their own carrion, but flies a masterpiece.

Mine to the test, shocked many people, they follow one after another, to repeat tests, but the results are the same.This will make ” Natural occurrence “has been shaken for the first time.