Science and Technology It seemed like science fiction, but it is already being tested: scientists want to spray salt into the sky to turn clouds into giant mirrors, reflect sunlight, and try to cool the planet before global warming gets even more out of control. Ana Alice 01/06/2026 at 23:44
Interesting facts While space science seems like the work of a million-dollar laboratory, a public school student from Vitória sent seeds in high-altitude balloons to investigate solar radiation, germination, and plant growth. Flavia Marinho 15/05/2026 at 22:31
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