Earth’s Orbital Changes Possibly Influenced Biologic Evolution - a podcast by Dr. Pamela Gay & Annie Wilson

from 2021-12-02T18:00

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An analysis of over 9 million samples of coccoliths whose ages span several million years has led scientists to conclude that changes in Earth’s orbit may have influenced changes in the size and shape of the microscopic algae. Plus, Europe contemplates geologic threats, and a comet is in this week’s What’s Up.