Hidden Ocean on Mars, Earth’s Mantle Explored, Controversial Geoengineering Experiment, and T. rex Exhibit at St. Louis Science Center

New study suggests an ocean of water lies beneath Mars's surface. Scientists drill deeper into Earth's mantle, probing for the origin of life. A controversial experiment to artificially cool Earth was canceled. 'SUE: The T. rex Experience' exhibit on display at St. Louis Science Center.

Sources:
https://www.aljazeera.com/news/2024/8/13/new-study-suggests-ocean-of-water-lies-beneath-marss-surface
https://www.smithsonianmag.com/smart-news/scientists-drill-deeper-into-earths-mantle-than-ever-before-probing-for-the-origin-of-life-on-earth-180984869/
https://www.theverge.com/2024/8/12/24216232/harvard-solar-geoengineering-policy-analysis-science
https://www.kfvs12.com/2024/08/12/sue-t-rex-experience-display-st-louis-science-center/

Outline:
(00:00:00) Introduction
(00:00:43) New study suggests ocean of water lies beneath Mars’s surface
(00:02:37) Scientists Drill Deeper Into Earth's Mantle Than Ever Before, Probing for the Origin of Life on Earth
(00:06:20) A controversial experiment to artificially cool Earth was canceled — what we know about why
(00:08:52) ‘SUE: The T. rex Experience’ on display at St. Louis Science Center