In the depths of the Grand Canyon, scientists were trying to give native fish a better chance of survival, by taking other fish out of the Colorado River. A four-year fish-removal experiment conducted between 2003 and 2006 dramatically changed the composition of fish being caught in one section of the river. According to a 2011…

Some of the world’s most dangerous plants may also be among its most useful. Researchers have now identified a key set of enzymes in wolfsbane and larkspur that could help scientists recreate difficult-to-synthesize natural compounds in the lab, opening new doors for future medicines.These plants are notorious because even tiny doses can cause neurotoxicity and…

Picture source: X/Kyiv Independednt At least five people were killed and 19 others injured after a Russian drone strike hit a market in the frontline Ukrainian city of Nikopol on Saturday morning, Ukraine’s prosecutor general’s office said.Earlier, regional governor Oleksandr Ganja said in a Telegram post that three women and two men were killed. A…

Image: Frontiers in Environmental Archaeology High in the Spanish Pyrenees, at an altitude where steep slopes and rocky terrain still make access difficult today, archaeologists have been investigating a cave that appears to have drawn people back again and again over thousands of years. Known as Cova del Sardo, the site has yielded evidence of…