Where Are Purple Sea Urchins Found? Habitat & Range
Purple sea urchins range from Alaska to Baja California, thriving in rocky coastal waters and playing a major role in kelp forest health.
What Is the Big Freeze Theory of the Universe?
The Big Freeze suggests the universe will slowly run out of energy over trillions of years, ending in cold darkness driven by dark energy and expansion.
What Liquids Can You Have Before a Colonoscopy?
Clear liquids before a colonoscopy go beyond water. Learn what you can safely drink, what to avoid, and when to stop before your procedure.
What Is Existential OCD? Symptoms and Treatment
Existential OCD goes beyond normal philosophical curiosity. Learn how it's diagnosed, why it's often missed, and how therapy can help.
What Is Hands-Only CPR and When Should You Use It?
Hands-only CPR can save lives in cardiac emergencies. Learn how it works, when to use it, and how to do it correctly as a bystander.
What Is a Jellyfish Predator? Top Hunters Revealed
From leatherback sea turtles to ocean sunfish, find out which animals eat jellyfish and why they bother with such low-nutrient prey.
What Is Piperacillin Used For: Uses and Side Effects
Piperacillin is a broad-spectrum antibiotic used for serious infections. Learn what conditions it treats, how it's given, and its common side effects.
What Is Transvaginal Mesh and Why Was It Pulled?
Transvaginal mesh was once common for pelvic organ prolapse and incontinence. Learn what it is, why the FDA banned it, and what treatment options exist today.
Excretory System Function: What It Does in Your Body
Learn how your excretory system removes waste, balances fluids, and keeps your blood chemistry stable every day.
What Is Senmaizuke? A Traditional Japanese Pickle
Senmaizuke is a delicate Kyoto pickle made from thinly sliced Shogoin turnips. Learn how it's made, what it tastes like, and how it's traditionally served.