Earth's acid test: When did ocean acidity allow life to commence?
Scientists at Yale and in Singapore have devised what may be the ultimate acid test—a comprehensive model for estimating the ...
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What is the moon phase today? Lunar phases 2025
What is the moon phase today? Today, Feb. 11, 2025, the moon is 13 days old, and approaching the Full Moon phase of its lunar cycle. It is 98% illuminated. Moon phases reveal the passage of time ...