References

BUYING GUIDE These are the best dehumidifiers you can buy in every category, from Honeywell TP50WK to GE APER50LZ.

BUYING GUIDE These are the best treadmills you can buy in every category, from NordicTrack x22i and Mobvoi Home Treadmill to Peloton Tread.

The history of video games goes back decades — dating back to the dawn of computing itself.

These are the best walking treadmills you can buy in every category, from Mobvoi Home Treadmill to Bluefin Fitness Task 2.0 Treadmill.

Buying Guide These are the best exercise bikes you can buy in every category, from Peloton Bike and YOSUDA Bike to Schwinn IC4.

BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and GermGuardian AC4825E to RabbitAir A3.

Here are Denisovan facts about their discovery, where and when they lived and what we know about their appearance, genetics and culture.

BUYING GUIDE We've tested the best astrophotography cameras to help you capture the wonders of the night sky with ease — here are our favorite models ahead of Prime Day.

Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet.

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

Buying Guide These are the best rowing machines you can buy in every category, from Concept2 RowErg and Ergatta Rower to Hydrow Wave.

Buying Guide These are the best electric toothbrushes for kids, from Oral B Kids and Philips Sonicare for Kids to AutoBrush Sonic Pro.

Buying Guide These are the best fitness trackers you can buy in every category, from Apple Watch Series 8 and Garmin Fenix 7 to Amazfit Balance.

Buying Guide Looking to check out macOS? Here are the best MacBooks for students you can buy right now.

BUYING GUIDE These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson Purifier Cool.

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.

Buying Guide These are the best humidifiers you can buy in every category, from Dyson AM10 and Levoit LV600HH to HoMedics TotalComfort Deluxe.

Buying Guide These are the best electric toothbrushes you can buy in every category, from Oral-B Genius X and Bitvae R2 to Waterpik Complete Care 9.0.