Petrichor: rain’s piquant perfume
Remember that delightful fragrance when rain breaks the summer drought? Its cause has always intrigued people. Now we know the answer. The smell comes from a yellowish oil trapped in the rocks and soil.
Remember that delightful fragrance when rain breaks the summer drought? Its cause has always intrigued people. Now we know the answer. The smell comes from a yellowish oil trapped in the rocks and soil.
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