Arquivos da tag:Fossil Life

Stromatolites, the oldest living fossils, part 2: Lagoa Salgada, Rio de Janeiro, Brazil / Estromatólitos, os mais velhos fósseis vivos, parte 2: Lagoa Salgada

Another place where we can find recent stromatolites, Earth’s oldest living fossils (see last post for more info) is at Lagoa Salgada, Rio de Janeiro, Brazil. The pools are for salt evaporation and exploration. Thanks @samyrvq for the very cool pics! Outro local onde podemos encontrar estromatólitos recentes, os fósseis vivos mais antigos da TerraContinuar lendo “Stromatolites, the oldest living fossils, part 2: Lagoa Salgada, Rio de Janeiro, Brazil / Estromatólitos, os mais velhos fósseis vivos, parte 2: Lagoa Salgada”

The Ozone Layer and Mass Extinctions

Could damage to the ozone layer cause mass extinctions? Researchers from the University of Southampton presented evidence that this happened 360 million years ago. Changes in the atmosphere chemistry allowed for UV rays to hit harder and cause mutations that led to the extinction of various life forms. Could this happen again? It’s not wiseContinuar lendo “The Ozone Layer and Mass Extinctions”