References

The island of Rapa Nui, the most isolated inhabited landmass on Earth, is known for its massive Moai statues.

Reference We've collected some of the most interesting and amazing facts about Earth

Reference Copperhead snakes are commonly found in the eastern U.S., where they inflict more bites than any other snake species. Luckily, their venom is relatively mild and rarely deadly for humans.

Reference The world's deadliest natural disasters span more than 2,500 years of human history and include earthquakes, tsunamis and cyclones.

The ruins of Chichén Itzá in eastern Mexico were built about 1,200 years ago.

Reference Photosynthesis is the process plants, algae and some bacteria use to turn sunlight, carbon dioxide and water into sugar and oxygen.

Reference Humans have more than five senses that help us navigate the world.

Buying Guide We've rounded up the best yoga mats, suitable for everything from calming practice to the experienced Ashtanga yogi. Grab a deal on a yoga mat this Black Friday.

Brazilian wandering spiders don't build webs but crawl on the forest floor at night in search of prey, which they kill with neurotoxic venom.

Inhabitants of the world's highest settlement, La Rinconada, in the Peruvian Andes, face a unique set of challenges.

Reference Giant huntsman spiders are the largest member of the huntsman spider family Sparassidae with a leg span stretching up to 12 inches across — roughly the size of a dinner plate.

What is the summer solstice, and when does it happen? The longest day of the year falls on either June 20 or 21 every year in the Northern Hemisphere. Here's everything you need to know about the science, and timing, of the summer solstice.

BUYING GUIDE These are the best water flossers you can buy in every category, from Waterpik Ultra to Oclean W10 and Spotlight Oral Care.

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Reference Quantum mechanics, or quantum physics, is the body of scientific laws that describe the wacky behavior of photons, electrons and the other subatomic particles that make up the universe.

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This 2,000-year-old complex in Mexico was one of the largest urban centers in the ancient world.

Looking for a new tablet for school or college? Here are the best tablets in 2025.

This exciting field of computer science focuses on technologies that mimic human intelligence — with AI systems becoming way more prevalent in recent years.

Tutankhamun, also known as King Tut, was an ancient Egyptian pharaoh whose lavish tomb became world-famous upon its discovery in 1922.