The bigger, the scarier – spiders, scolopendras, scorpions, and cockroaches induce fear. Today's bugs are microscopic compared to ancient monsters. Want to test your nerves? This video explains how insects appeared, why prehistoric bugs were huge, their connection to oxygen and coal, the possibility of giant insects returning, and the Carboniferous period's impact on bug size.

RYV Team:
Voice Over: Kent Bleazard