If you are one of the 51.8 million people in the U.S. who use a treadmill for exercise, you know there’s much pain for your muscle-and-fitness gain. On your next 30-minute jog, as you count down the final seconds, ponder whether the hard work made you a better person. Consider whether the workout would feel different if you had powered something, even a fan to cool yourself off.
Source: jstor.org
For at least 2.6 million years, humans and our ancestors have been making stone tools by chipping off flakes of material to produce sharp edges. We think of stone tools as very rudimentary technology, but producing a usable tool without wasting a lot of stone takes skill and knowledge. That’s why archaeologists tend to use the complexity of stone tools as a way to measure the cognitive skills of early humans and the complexity of their cultures and social interactions.
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Two genetic studies shed light on the epic journeys that led to the settlement of the vast Pacific region by humans.
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To the outside world, literary translators are famously invisible. Being a tight-knit community of solitary home workers, though, we talk a lot amongst ourselves. Recently, one big thing we’ve been talking about is reviews of our work.
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