In science news around the world, U.S. President Barack Obama releases the final budget request of his tenure, a preliminary report by French authorities finds fault with how a company handled a clinical trial crisis last month that resulted in one death, a Chinese firm bids for genetically modified crops giant Syngenta, a Nobel official resigns in the wake of a widening scandal around famed surgeon Paolo Macchiarini, a French research agency accused of "biopiracy" has agreed to share profits from a potential malaria drug with indigenous peoples who helped identify its plant source, and more. Also, the Howard Hughes Medical Institute and Stanford University each are slated to have new presidents later this year. And a 6th century cold spell, now identified from tree rings, may have helped trigger societal upheaval at the time, leading to widespread crop failures, migrations, and possibly abetting the spread of plague.