The Best in Science News and Amazing Breakthroughs
Imagine being a hunter-gatherer nearly 13 thousand years ago. You're minding your own business – gathering berries and hunting wild animals – when suddenly a giant ball of fire appears in the sky.
New research suggests this is how the first seeds of agriculture were planted in Syria, a necessary adaptation to improve the community's chances of survival. Extremely high temperatures and pressures lead to fracturing and melting of quartz grains and introduction of molten silica into fractures. When this non-crystalline silica is found in fractured rocks, it's a clear sign of an impact, as opposed to slow tectonic movement.found tiny diamonds, special crystals, and small balls made of silica and iron in the YD boundary layer sediment.
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