Could ultrasound help save hedgehogs?
European Hedgehog listening. Credit: Tine Reinholt Jensen. Ultrasound could be used to help repel hedgehogs, thus preventing huge numbers of the mammals’ deaths on the roads each year. Researchers at the University of Oxford have suggested that...
New clues to mysterious origin of Hjortspring boat
The Hjortspring boat as currently displayed at the National Museum of Denmark. Photo by Boel Bengtsson. Credit: Fauvelle et al, 2025, PLOS One, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Researchers have uncovered clues to the mysterious origin of the...
Centuries-old mercury pollution threatens arctic wildlife
Mercury (Hg) is an environmental concern in the Arctic, where high concentrations are found in top predators such as polar bears and toothed whales. Despite declining atmospheric Hg emissions since the 1970s, increasing trends are still observed in many Arctic animals...