20 types of strange objects discovered in the human body make you 'floaters'
live frogs, intact coca bottles, unexploded grenades, concrete ... are the strangest things doctors have taken out of the human body.
Tags : fetus
Successful genetic modification helps people not to be afraid of disease
us scientists have successfully modified and improved the genes of a fetus. that is, if nurtured, the fetus will develop into a fully theoretical baby.