Category: Science

Why are deserts dry?

Deserts can take many forms—including sweeping sand dunes, rocky canyons, sagebrush steppes, and polar ice fields. But they are united by one thing: lack of precipitation. Generally speaking, anywhere that receives less than 10 inches (25 centimeters) of rain per year is…Read More »

Sea urchin killer identified: Scientists uncover the microscopic threat behind a massive die-off event

A scuticociliate, a single-celled organism, has been identified as the cause of the 2022 mass die-off of long-backed sea urchins in the Caribbean and Florida’s east coast. These urchins are vital to coral reef health, and the discovery raises questions about the…Read More »