References
Latest References

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.

Best treadmills 2025: Rack up the miles in the comfort of your own home
By Harry Bullmore, Anna Gora last updated
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?
By Owen Jarus last updated
The famous biblical manuscripts were found in caves near this ancient settlement.

HIV/AIDS: Facts about the viral infection that attacks the immune system
By Nicoletta Lanese published
Learn how HIV spreads, how it affects the body and what treatments are available.

The sun: Facts about the bright star at the center of the solar system
By Marilyn Perkins, Robert Lea published
Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

Human evolution: Facts about the past 300,000 years of Homo sapiens
By Kristina Killgrove published
Discover interesting facts about the origin of the human species and what makes us different from our ape cousins.

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.
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