Marie Tharp pioneered mapping the bottom of the ocean 6 decades ago – scientists are still learning about Earth's last frontier
Born on July 30, 1920, geologist and cartographer Tharp changed scientific thinking about what lay at the bottom of the ocean – not a featureless flat, but rugged and varied terrain.
July 28, 2020 • ~10 min
Tags: earth-science geology women-in-science women plate-tectonics maps mapping oceans cartography continents ocean-floor geosciences seamounts marine-geology continental-shelf
Releasing balloons at weddings and other celebrations is festive, until they break into pieces and become plastic pollution. A citizen science project is spotlighting the problem.
March 18, 2020 • ~8 min
Tags: data citizen-science wildlife gps plastic mapping litter microplastics great-lakes plastic-pollution
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