ScienceDaily: Cosmic Rays News |
| Study casts doubt on mammoth-killing cosmic impact Posted: 06 Jan 2015 10:05 AM PST Rock soil droplets formed by heating most likely came from Stone Age house fires and not from a disastrous cosmic impact 12,900 years ago, according to new research. The study, of soil from Syria, is the latest to discredit the controversial theory that a cosmic impact triggered the Younger Dryas cold period. |
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