German Volume Training May Be the Most Effective Way to Build Muscle, but Is It Safe?

GVT is a high-volume workout that builds strength and muscle mass quickly. But a personal trainer says it's not a safe ...
Scientific American

How Do You Weigh a Black Hole?

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...
Scientific American

See How Fusion Energy Could Power the Future

Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time ...
Investopedia

Understanding Short Interest Ratio: Definition, Formula, and Usage

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...
Investopedia

What Is the Interbank Rate? Definition, How It Works, and Example

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...