
Chemistry
Chemists have unlocked the secrets of long-lasting Roman concrete
By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.
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By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.
Indigenous peoples of the Americas developed self-rule long before the pilgrims arrived or the U.S. Constitution was written.
Neandertals are an extinct species closely related to modern humans. They made tools and jewelry, controlled fires and cared for their sick.
From toolmaking to healthcare, new research finds that Neandertals shared many cultural and social similarities with our human ancestors.
The comb bears the earliest known complete sentence written in a phonetic alphabet, researchers say.
New details of Tut’s story are still coming to light. Here are three things to know on the 100th anniversary of his tomb’s discovery.
By studying and reviving old scents, archaeologists are finding new clues about how ancient Egyptians experienced their world through smell.
Rats have lived alongside people for thousands of years. Now, scientists can study the rats and their leavings to learn more about ourselves.
Fossil remains of a flying reptile hint that their vibrant crests may have originated 250 million years ago in a common ancestor with dinosaurs.
The Denisovans were a recently discovered population of ancient hominids.