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Earth Day is an annual global event on April 22 that celebrates Earth and raises public awareness about the environment.

The Nazi symbol is not the same as the ancient Hindu symbol.

Caffeine's influence over headaches is complicated.

BUYING GUIDE Power up your workouts with the best running headphones, including top picks from Bose, Samsung and more.

From sets celebrating architecture and famous art to clever designs, these are the best Lego sets for adults.

The royal estate built by the Inca in Peru went unnoticed for centuries.

BUYING GUIDE The best star projectors let you experience the beauty of the cosmos from your sofa and flood your space with nebula-inspired colors and shapes.

Take one of the best budget exercise bikes for a spin and get fit without the Peloton price tag.

Our roundup of the best walking treadmills can help you keep active while you work.

An almond-shaped structure deep in the brain controls people's feelings of hunger and fullness in an attempt to keep them at a constant body weight. In obesity, its signaling can be disrupted.

Taking tweezers to your eyebrows can yield unpredictable results. So what determines if your eyebrows grow back after you pluck them?

The iPad Pro is pricey, but it could be perfect for editing your nature snaps and astrophotography on the go.

Here's our guide on how to watch Shark Week 2023, complete with schedules, streaming services, and show synopsis - bigger boat not required.

Buying Guide Invest in one of the best rowing machines we’ve tested and get a next-level cardiovascular workout.

Buying Guide Invest in one of the best exercise bikes we've tested and give yourself a head start on your cardio training for the summer.

Oppenheimer is almost here, so what better time to look back at the best biopics based on history's most influential scientists?

Fission is the process by which an atom splits into two, generating two smaller atoms and a tremendous amount of energy. Fission powers nuclear bombs and power plants.

From the identity location of Cleopatra's tomb to the fate of the Ark of the Covenant, some historical mysteries may never be solved.

Buying Guide We've tested the best yoga mats for beginners and experts alike: here's what we found.

A person's flexibility is determined by many factors, including the structure of their joints, length of their muscle fibers and suppleness of their connective tissues.