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The Neanderthal dentist: archaeologists found evidence of a decayed tooth being drilled out with a stone tools 59,000 years ago. “It’s now the oldest known evidence of dentistry — or any direct medica

The Secret to Success Is ‘Monotasking’. “We find that in ­real‑world work, the more switches in attention a person makes, the lower is their end‑­of‑day assessed productivity.”