New University of Arizona-led research found that out of about 435,000 land plants on Earth, 36.5% are exceedingly rare and are clustered in hot spots.
With a portion of $8 million in annual funding appropriated by the Arizona Legislature, nearly 100 students could receive free tuition at UArizona's two medical schools.
The American Association for the Advancement of Science, the world's largest general scientific society, will honor Elizabeth “Betsy” Cantwell and other inductees at a ceremony in February.
Researchers monitored students' heart rates during medical school lectures to test the long-standing theory that active learning provides an attention reset.
The University of Arizona placed in the top 20 among U.S. public universities in physical and life sciences in the newest subject rankings from Times Higher Education.