Welcome to a world of sensors

Increasingly, we live in a sensor-laden world. Almost every electronic device in our lives has some kind of sensor in it, possibly many. We don’t tend to think of sensors when looking at our phones, refrigerators, cars, airplanes and buildings, but believe me, they’re in…

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Human brain size has tripled. Here’s why

  Anthropologists have been curious about the evolution of human intelligence for many decades. The main lines of research have involved archaeological finds concerning the use of fire, tools and so on. But what about looking for evidence in fossil skulls, the place where the…

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