![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYBz0YjT8UnrTHsNw9kwlcD3hpeCE0qQi84zGcj4bX8Tof4pJn0qnaoD8orYa5PoRL6ZbwA6dqMHJ-UIVs5ZCq9Mjmq03gOxoxYT3MvILSc3bsG0BR7pFWcLQSQcttIw77tyOweg/s320/Impact_event.jpg)
A
new study says a huge comet exploding over Canada 11,000 years ago finished off the Woolly Mammoth -- and possibly annihilated the
Clovis Culture as well. That's not the kind of globe-girdling impact that killed off all the dinosaurs but quite big enough to eliminate human culture as we know it in most of the northern hemisphere.
Dinosaur-killing events aren't supposed to happen more than every 20 or 30 million years, but one wonders... what about Mammoth-killing events?
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