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The human heart: Facts about the body's hardest-working muscle
Discover interesting facts about the fist-size organ that powers the circulatory system.
Best laptops for photo editing 2025: Powerful and affordable devices for designers and photographers
Buying Guide We've ranked the best photo editing laptops, from MacBooks to gaming notebooks
The San Andreas Fault: Facts about the crack in California's crust that could unleash the 'Big One'
California's San Andreas Fault is capable of triggering a massive earthquake. Here's what to know about this famous location often associated with earthquakes.
Who were the Denisovans, archaic humans who lived in Asia and went extinct around 30,000 years ago?
Who were the Denisovans, close human relatives who lived in Asia and mated with Homo sapiens?
Crows: Facts about the clever birds that live all over the world
Discover interesting facts about how crows remember faces, mimic human speech and more.
Best treadmills 2025: Rack up the miles in the comfort of your own home
BUYING GUIDE These are the best treadmills you can buy in every category, from NordicTrack x22i and Mobvoi Home Treadmill to Peloton Tread.
What are the Dead Sea Scrolls, the ancient texts from the Hebrew Bible found in the caves of Qumran?
The famous biblical manuscripts were found in caves near this ancient settlement.
HIV/AIDS: Facts about the viral infection that attacks the immune system
Learn how HIV spreads, how it affects the body and what treatments are available.
