Four Million Ancient Coins Reveal What Really Held the Roman Empire Together
A denarius from Rome’s Republican period. Considering only the metal (silver), the coin is worth about USD 3, but taking into account the purchasing…
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Infectious diseases will seed new ground as the planet warms — here’s where they’ll spread
Burning Up As the planet warms, our environment will be transformed, but so will our bodies. In this series, we investigate the health impacts…
