Genetic analysis by researchers at Cornell University and the University of Florida reveals that the pathogen that caused the Irish potato famine in the 1840s came from central Mexico, not the Andes. A single clonal lineage of P. infestans had invaded the US by 1843, and by the summer of 1845, the potato late blight …

It’s an achievement that 3D printing evangelists feel will soon be the norm; rather than assembling consumer products from parts and components, complete functioning products could be fabricated at once, on demand. “Everything is 3D printed,” says Apoorva Kiran, a graduate student in mechanical engineering at Cornell University, as he launched a demo by connecting …