Trump Sparks Fluoridation Debate, Study Questions mRNA Vaccine Immunity, Study Links Cannabis Use to Brain Changes, Mars Rivers Melted by CO2, and more...

Science News Daily

(0:10): Trump's Potential Ban on Fluoridation Sparks Renewed Debate Over Public Health in U.S.
(2:15): Study Reveals mRNA COVID-19 Vaccines Lack Long-Term Immunity, Urges New Vaccine Strategies
(4:02): Study Links Adolescent Cannabis Use to Brain Cortex Thinning and Impaired Functioning
(6:14): Mars' Ancient Rivers: Carbon Dioxide, Not Climate, Melted Polar Ice for Flowing Water
(8:28): First-Ever Leucism Case in Endangered Spotted Roughshark Discovered Off Albania Coast
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