Nature speaks to theoretical physicists to explore the real theories that inspired the hit series. Warning: contains spoilers ...

All 67 people on board the plane and the helicopter were killed. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport ...

Learn how price elasticity of demand impacts consumer behavior and forecasting. Discover strategies for understanding demand ...

Learn how the Cash Value Accumulation Test (CVAT) determines if a financial product is taxed as insurance or an investment with potential tax benefits.