What Makes a Meteorite a Time Capsule?
Meteorites are more than rocks from space. Their minerals, isotopes and tiny chondrules preserve a record of how the young Solar System took shape—and what they cannot tell us.
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Isotopes
How Do Archaeologists Reconstruct an Ancient Diet?
How do archaeologists reconstruct an ancient diet? They rarely find a complete meal waiting in a bowl. Instead, they assemble small traces: charred seeds, animal bones, fish scales, grinding stones,…