Steven Newmaster, a prominent University of Guelph (UG) botanist and entrepreneur who has faced allegations of scientific misconduct, has had another paper retracted without his consent. Last week the Canadian Journal of Forest Research pulled a study in which Newmaster and colleagues said they used a genetic identification system known as DNA barcoding...
THE WOODLANDS, TEXAS— At a basic level, humanity’s survival odds come down to one thing: the chances of a giant space rock slamming into the planet and sending us the way of the dinosaurs. One way to calibrate that hazard is to look at the size of Earth’s recent large impact craters. And a provocative new study suggests they are bigger than previously thought—meaning...
Last week, the Global Polio Eradication Initiative (GPEI) reported seven children, six in the Democratic Republic of the Congo (DRC) and one in neighboring Burundi, had recently been paralyzed by poliovirus strains derived from a vaccine meant to prevent the disease. Unfortunately, such cases are so common—786 were reported last year in Africa, Yemen, and elsewhere—that these seven...