RIO DE JANEIRO, BRAZIL - A study by Purdue University found that a cockroach species commonly found in Germany is born with protection against chemicals with which they have not yet had contact.
The shocking study, published in the scientific journal Live Science, found that the German cockroach, also called the Blattella Germanica, has evolved and developed an immunity to new poisons.
"We had no idea that something like this could happen so quickly," said Michael Scharf, co-author of the study. "Cockroaches that develop resistance to multiple classes of insecticides at once will make almost impossible the control of these . . .