Tiny Matters
[BONUS] Colorful blood in nature and how a tick bite causes a meat allergy: Tiny Show and Tell Us #59
15:09
Why do humans have red blood, while other animals have green, purple, or even yellow blood? In this episode of Tiny Show and Tell Us, we explore the surprisingly colorful world of animal blood, from Antarctic ice fish with nearly transparent blood to green-blooded skinks and purple-blooded peanut worms. Then we enter tick territory and investigate how a tick bite leaves some people unable to eat…