Scientists Discover Ancient Cities in the Amazon

In the Llanos de Mojos region of the Bolivian Amazon, scientists recently discovered remnants of vast urban settlements, proving the existence of ancient Amazonian cities. Using a light-based remote sensing technology called lidar, scientists digitally deforested the canopy to survey the ruins beneath it. They found a stronghold of the socially complex Casarabe Culture (who existed from 500 to 1400 CE) who built urban centers, …

World’s First Living Robots Can Now Reproduce

Last year, researchers in the US created the world’s first living machine, called xenobots. Composed of bundles of stem cells from the African clawed frog (xenopus laevis), the new life form was programmed to accomplish tasks and move microscopic objects around. Now, they can reproduce. “One [xenobot] parent can begin a pile and then, by chance, a second parent can push more cells into that …

Link About It: This Week’s Picks

An oyster army, meaningful gift giving, a benefit art auction and more from the internet

Building an Army of Oysters Around NYC To Mitigate Floods + Erosion Before commercial harvesting, oyster reefs used to compose more than 220,000 acres of New York’s coastline, acting as a natural flood-mitigation system in addition to increasing marine biodiversity. With these reefs’ destruction, New York is dangerously vulnerable to natural disasters—a threat that (as Hurricane Ida recently showed) is only growing. To protect the …