2min chapter

The Weirdest Thing I Learned This Week cover image

George Washington: Swamp Ghost Hunter, Cockroach Chocolate, Science Scams

The Weirdest Thing I Learned This Week

CHAPTER

The Evolution of the Cockroach Sweet Tooth

Researchers created pesticides that contained glucose in order to tempt the roaches into poisoning themselves. It worked so well that by the 1980s, there were these German rote populations in Florida that no longer sought out sweet stuff to eat. Females with this glucose aversion mutation actively avoided male nuptial gifts.

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