References
Latest References

Best electric toothbrushes for kids 2025
By Joanne Lewsley last updated
Buying Guide These are the best electric toothbrushes for kids, from Oral B Kids and Philips Sonicare for Kids to AutoBrush Sonic Pro.

Best workout equipment for home gyms 2025: Exercise in the comfort of your home
By Sam Hopes last updated
Buying Guide Set up your home gym with the best workout equipment for home.

Best running shoes for supination 2025: Find the perfect fit for your feet
By Harry Bullmore last updated
Buyers guide These are the best running shoes you can buy in every category, from New Balance 1080 v14 and Brooks Glycerin 20 to Hoka Mach X.

The human heart: Facts about the body's hardest-working muscle
By Mindy Weisberger last updated
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
By Keumars Afifi-Sabet last updated
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'
By Stephanie Pappas published
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?
By Charles Q. Choi last updated
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
By Marilyn Perkins, Alina Bradford last updated
Discover interesting facts about how crows remember faces, mimic human speech and more.
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