Featured series 
Tag: Christian Tryon
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Science & Tech
Harvard students, meet the Stone Age
Students taking part in a new freshman seminar class learn to appreciate the sophistication of Neanderthals by manufacturing their own stone tools from scratch.
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Health
Similar designs, 100 million years apart
A study found that both Rusingoryx atopocranion, a relative of the wildebeest, and hadrosaur dinosaurs evolved large bony domes on their foreheads, which were likely used as resonating chambers to warn of predators and communicate with others.
