In the 1960s, researchers at the University of Illinois Urbana—Champaign developed a computer system that they hoped would expand access to education. They envisioned instructors usingthe system to build lessons, and students stationing themselves at machines—whose touchscreen plasma displays had a distinct orange glow—to complete coursework.
Source: ieee.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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