Agujeros de ozono y extinciones masivas.

La epidemia de coronavirus ha oscurecido u ocultado otras malas noticias. Una de ellas es la generación de un gran agujero en la capa de ozono en la región ártica, cercano a Groenlandia, tres veces más amplio que el área de esta enorme isla. Afortunadamente, este agujero de ozono duró solo unas pocas semanas. Se había cerrado espontáneamente para finales de abril. Ahora una investigación sobre las causas de la extinción masiva del periodo Devónico tardío, hace unos 370 millones de años, apunta a la posibilidad de que un agujero en la capa de ozono persistente provocara un incremento de radiación ultravioleta que muchos seres vivos de aquella época no pudieron resistir. Si la causa del agujero de ozono actual es el cambio climático ¿Podría suceder lo mismo en un futuro cercano? Más información en http://cienciaEs.com

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This episode is 9 minutes long.

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This episode was published on June 30, 2020.

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