Pretend you’re a fish swimming in the ocean. What predator are you most afraid of? If you answered shark, you’re not alone. Most people think of the shark as the number one ocean predator. But Thomas Cronin, a Professor of Biological Sciences from the University of Maryland, points out the many features that make the mantis shrimp “far more terrifying” in his new article on The Conversation.

You’ve probably heard that yawning is contagious; seeing someone doing it, or even reading about it, can trigger something in your brain that makes you need to yawn. But why do humans yawn? How does yawning look in other species? Those are exactly the questions that Christine Calder, an Assistant Professor in the College of Veterinary Medicine at Mississippi State University, grapples with in her latest article on The Conversation.