Research in Nature identifies the mode of action of viperin, a naturally occurring enzyme in humans and other mammals, which can prevent viruses from copying their genetic material and thus from multiplying https://t.co/twGRaSVA3f
These little brown birds may know just a few songs, but they know them well—and they haven’t changed their set list in more than 1,000 years https://t.co/nSoSKHDw9g