Although artisanal mining has declined in the region, it continues to account for high levels of mercury in the largest tributary of the Amazon, according to a study supported by FAPESP’s SPRINT program.
Brazilian and British researchers have found evidence that part of the seabed in the Southwestern Atlantic may have been created and submerged by volcanic lava eruptions.
Brazilian researchers used biogeographic analysis to study trilobites, arthropods that became extinct over 252 million years ago. The study was published in Scientific Reports.