Home Science Biology Why Aren’t There Giant Insects? ScienceAnimalsBiology Why Aren’t There Giant Insects? Hank and physiologist Jon Harrison discuss the question of insect size and major theories that attempt to explain why there is a limit to how large insects can get with current conditions on Earth. By Watch and Study - Mar 24, 2016 253 RELATED ARTICLESMORE FROM AUTHOR Geology What Causes the Northern Lights? Geology Watch the Amazing Northern Lights! Geology What creates a total solar eclipse? Geology The Highest Altitude on The Planet Mount Everest Animals How do schools of fish swim in harmony? Tell us what you think!