In a new book, a paleoanthropologist argues that walking upright has had profound effects on human anatomy and behavior.
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Artists’ intuition instead of science drive most facial reconstructions of extinct species. Some researchers hope to change that.
In the 1970s, scientists linked pot use to mental health woes in teens. Such concerns have helped keep the drug illegal for teens for 50 years.
Zoom and social distancing ushered in the futuristic videophone fantasy AT&T wanted and consumers rejected for decades.