These are Cabeater seals on an ice floe in the Antarctic Peninsula area. Credit: Steven L. Chown The popular view that Antarctica and the Southern Ocean are in a much better environmental shape than the rest of the world has been...
Dr. Jordan Mallon stands in the Canadian Museum of Nature's collections among replicas of skulls of dinosaurs previously studied for sexual dimorphism: Tyrannosaurus rex (large skull), Allosaurus fragilis (black skull), Protoceratops andrewsi and Stegoceras validum (in his hand). Credit: Dan...
Researchers made this device with a bundt pan and marbles to capture dust. Credit: Chelsea Carey Dust from as far away as the Gobi Desert in Asia is providing more nutrients than previously thought for plants, including giant sequoias, in California's...
The many genetic variations of the tiny bacteria called Prochlorococcus are distributed in a layered structure, with each variant adapted to the particular mix of sunlight and nutrients found in that layer of seawater. Credit: Rogier Braakman (reproduced with permission...
This is a fairy ring in Namibia. Credit: School of Science A study conducted by researchers at Indiana University-Purdue University Indianapolis adds new insights into one of nature's great mysteries: the fairy circles of Namibia. Numbering in the millions, the so-called fairy...
Dinosaur tracks in the Walmadany area are shown. Credit: Damian Kelly An unprecedented 21 different types of dinosaur tracks have been identified on a 25-kilometre stretch of the Dampier Peninsula coastline dubbed "Australia's Jurassic Park." A team of palaeontologists from The University...
Ravens have impressive cognitive skills when interacting with conspecifics. Credit: Matthias Loretto, University of Vienna Several recent studies have revealed that ravens are among the most intelligent species of birds and even species in general. But which factors caused the evolution...
Chinese countryside (stock image). The new specimen from the rich Early Cretaceous Jehol Biota comes only from the 130.7 Ma Huajiying Formation deposits in Hebei, which preserves the second oldest known fossil birds. Birds from this layer are very...
Handling cheetahs an farmland in Namibia. Credit: Bettina Wachter/Leibniz-IZW Cheetahs are categorized as vulnerable species, partly because they have been considered to be prone to diseases due to their supposed weak immune system. However, they are hardly ever sick in the...
If cats find the taste, smell, shape or mouthfeel of the drug unpleasant or repulsive, they will refuse the medication. Credit: Jaana Hautala In her dissertation, Jaana Hautala, MSc (Pharmacy), is seeking solutions for facilitating the medication of cats. In order...
Leucauge venusta suspended from its web. Credit: Dimitar Dimitrov For the first time biologists have made a full family tree of the world's spiders, giving us knowledge about venoms that can be useful in medicine. And we might be able to...