I remember reading somewhere that sometime in the prehistoric era when earth was more oxygen rich, giant insects were abound. https://earthsky.org/earth/why-we

I remember reading somewhere that sometime in the prehistoric era when earth was more oxygen rich, giant insects were abound. https://earthsky.org/earth/why-were-prehistoric-insects-so-huge https://earthsky.org/earth/why-were-prehistoric-insects-so-h...