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Environment
Ash left behind from Los Angeles wildfires could be toxic, experts warn
A crooked cross lies among the rubble after the Altadena Community Church was destroyed by the Eaton Fire on Monday, January 13, 2025 in Altadena, California. Credit: Scott Strazzante/San Francisco Chronicle via AP Toni Boucher vomited the first time she saw the ruins of her home and neighborhood after the devastating wildfires that ripped through the Los Angeles area this…
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Space & Cosmos
The carbon in our bodies likely left the galaxy and returned on a cosmic conveyor belt.
An image of the star-dense part of our galaxy, the Milky Way, taken by the Hubble Space Telescope. Credit: NASA/ESA/Hubble Heritage Team Life on Earth cannot exist without carbon. However, carbon itself cannot exist without stars. Almost all elements except hydrogen and helium (including carbon, oxygen, and iron) exist only because they were forged in stellar furnaces and then ejected…
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Environment
A legally protected community on Brazil’s southeastern coast is threatened by tourist trash left on the beach
Ribeiro (with hat) and volunteers collecting cigarette butts at Pereque Beach. Each cigarette butt contains thousands of toxic substances. Credit: Italo Braga Castro A study conducted by researchers at the Federal University of São Paulo (UNIFESP) found high levels of pollution, dominated by plastic trash and cigarette butts, at Perecuque Beach in the coastal city of Guaruja in Brazil’s São…
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