Metal detectors and bag checks have become pretty common security measures at venues that attract big crowds. Now, there’s growing interest in a less noticeable security measure: monitoring social media.
Climate change scientists know that plants can’t grow larger with extra carbon dioxide unless they also have nitrogen. But a new study coauthored by a Flagstaff ecologist shows fungus can help plants get around that limitation.
More women than men are stricken with Alzheimer’s disease. It’s not simply because women live longer than men — on average more than four years. Research is looking into genetic factors and whether hormonal milestones such as puberty, pregnancy and the onset of menopause are triggers.