Do Bugs Have Elbows?

Why did T. Rex have such tiny arms? That’s what our listener Nora wants to know. We’re going to find out why the biggest, most powerful predator to ever walk the Earth did it with a teeny tiny set of arms. Scientists have been coming up with answers for this question for decades ...  Show more

In this final mailbag episode of Summer 2026, Marshall and Lindsay address two listener questions, and learn about a surprising twist of evolution. Plus, listener reviews and comments! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free ...  Show more

Today’s debate is a colossal critter competition! One of them stings, the other has wings. It’s scorpions vs. butterflies! We’ve got standup comedian and health educator Khadijah Cooper ready to sing the praises of the snazzy scorpion and writer, actor and comedian Becky Abrams h ...  Show more

Today’s debate is a colossal critter competition! One of them stings, the other has wings. It’s scorpions vs. butterflies! We’ve got standup comedian and health educator Khadijah Cooper ready to sing the praises of the snazzy scorpion and writer, actor and comedian Becky Abrams h ...  Show more

Insects can live almost anywhere: backyards, mountaintops, scorching hot deserts, underwater, even on Antarctica! There are more than a million different species out there, from speedy dragonflies that zip through the air as fast as a car to rainbow-colored beetles living in trop ...  Show more

On this week’s Getting Curious, Jonathan is taking the creepy out of crawly with entomologist and evolutionary biologist Dr. Jessica Ware. We’re talking periodical cicadas, cockroaches, dragonflies, and more. Dr. Ware is a curator of Odonata and non-Holometabolous insect orders a ...  Show more