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Human evolution: Facts about the past 300,000 years of Homo sapiens
Discover interesting facts about the origin of the human species and what makes us different from our ape cousins.
The history of cat domestication
Discover the history of our feline friends, and learn about the debate over whether cats are really "domesticated" at all.
Sleep: Facts about how and why we sleep
Learn facts about sleep, during which the body rests, recuperates and performs essential repairs.
Particle physics: Facts about the elementary particles that make up our universe
Discover the fascinating world of particle physics — the most fundamental building blocks of the universe and the forces that connect them.
Insects: Facts about the creepy-crawlies that make up more than half of the world's animal species
Discover interesting facts about insects, the critters whose combined weight on the planet is 70 times that of all humans.
Aliens: Facts about extraterrestrial life and how scientists are looking for it
Discover interesting facts about where alien life forms are likely to exist, and what they look like.
Who Were the Canaanites, the ancient Biblical people credited with inventing the alphabet?
The Canaanites were made up of different ethnic groups who lived in the ancient Land of Canaan, and they likely invented the world's first alphabet.
Mathematics: Facts about counting, equations, and infamous unsolved problems
Discover interesting facts about mathematics, who invented it and the most famous unsolved problems.
