Mar 1, 2021
Are Electric Cars Really Better for People and the Planet?
Which is better for Earth: an electric or gas-powered vehicle? The answer to this question might seem blindingly obvious: Of course electric cars must be better for...
Jan 25, 2021
How Many Early Human Species Existed on Earth?
We Homo sapiens didn't used to be alone. Long ago, there was a lot more human diversity; Homo sapiens lived alongside an estimated eight now-extinct species of human about 300,000...
Jan 11, 2021
Why Was Stonehenge Built?
Stonehenge is perhaps the most famous of all the henges, vast circular monuments constructed from wood or stone that litter the British countryside. The prehistoric...
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