Nearly two dozen journals from two of the fastest growing open-access publishers, including one of the world’s largest journals by volume, will no longer receive a key scholarly imprimatur. On 20 March, the Web of Science database said it delisted the journals along with dozens of others, stripping them of an impact factor, the citation-based measure of quality that, although...
A class of Alzheimer’s drugs that aims to slow cognitive decline, including the antibody lecanemab that was granted accelerated approval in the United States in January , can cause brain shrinkage, researchers report in a new analysis. Although scientists and drug developers have documented this loss of brain volume in clinical trial participants for years, the scientific...
Charlotte Mason, an astrophysicist at the University of Copenhagen, had modest expectations 9 months ago, when she and her collaborators began to use JWST, the giant new space telescope, to look back in time for the universe’s first galaxies . Modeling suggested the patch of sky they were examining would hold just 0.2 galaxies—none, in other words, unless they got...
Arati Prabhakar has been part of the U.S. research establishment for 3 decades. Now, the 64-year-old applied physicist stands at its epicenter, as science adviser to President Joe Biden and director of the White House Office of Science and Technology Policy. Last week, in her first extended media interview since being confirmed by the Senate on 3 October 2022, she laid out her vision for...
Male cockroaches try to woo females with sugary treats. But a preponderance of poisoned bait traps has thrown an evolutionary wrench into this classic courting strategy, making some cockroaches lose their sweet tooth. Now, scientists behind a study published today in the Proceedings of the Royal Society B report that some crafty male roaches appear to have cooked up a new...