NASA

NASA Watches Earth’s Weight, Finds Center of Mass

NASA Watches Earth’s Weight, Finds Center of MassWorldPing

Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric center.

This is a short WorldPing brief. The full report was published by NASA.

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Ice Age carvers used mammoth tusk patterns to create unique art, study findsWorldPing
Phys.org

Ice Age carvers used mammoth tusk patterns to create unique art, study finds

Intricate designs engraved across the surface of 18,000-year-old female figurines carved from mammoth ivory were inspired by the distinctive growth patterns visible in the tusks, a new study published in the journal npj Heritage Science has revealed.

Brief by WorldPing · Original reporting by Phys.org