What Is Blue Spirulina Made Of? Phycocyanin and More
Blue spirulina gets its vivid color from phycocyanin, a pigment extracted from green spirulina. Here's what's actually in it and how it differs from the original.
What Is a Physical Plant? Meaning and Functions
A physical plant refers to the buildings, equipment, and systems that keep an organization running. Learn what it includes and who maintains it.
What to Expect at 39 Weeks Pregnant: Symptoms & Signs
At 39 weeks pregnant, learn what symptoms are normal, how to spot real labor, and what to expect at your prenatal visits as your due date approaches.
What Muscles Does Skipping Work? Calves to Core
Skipping engages far more muscles than most people expect, from your calves and glutes to your core and shoulders. Here's what's actually working when you jump rope.
What Is NRx? Ketamine Treatments for Mental Health Crises
NRx Pharmaceuticals is developing ketamine-based treatments for suicidal crises and bipolar depression. Here's what their pipeline looks like today.
What Is an Enhancer? DNA Sequences That Control Genes
Enhancers are DNA sequences that switch genes on from a distance. Learn how they shape cell identity and what happens when they malfunction.
What Is Secondary Glazing and Is It Worth It?
Secondary glazing adds a second pane to existing windows, offering thermal and noise benefits at lower cost than full replacement — here's what to expect.
What Minerals Do Sheep Need to Stay Healthy?
Sheep need a careful balance of minerals to stay healthy. Learn which ones matter most, how much they need, and why some—like copper—require extra caution.
What Are PVCs on an ECG? How They Look and Feel
PVCs are extra heartbeats that show up as wide, unusual spikes on an ECG. Learn what causes them, how they feel, and when they need medical attention.
What Is Chlorhexidine Mouthwash? Uses and Side Effects
Chlorhexidine mouthwash fights bacteria effectively, but it comes with trade-offs like staining and tartar buildup. Here's what to know before using it.