The document discusses several science and technology news stories from South America:
1) Researchers in Chile have found a new type of bacteria in samples from Lake Vostok in Antarctica, indicating the discovery of an unknown microbial life form.
2) Strictly protected lands in Brazil's Amazon have shown lower deforestation rates than areas allowing sustainable use, indicating they are effective tools for reducing deforestation.
3) Projects in the US, China, and Peru are pursuing new nuclear energy technologies like fusion, thorium reactors, and traveling wave reactors in hopes of finding solutions to climate change.