For the first time in decades, a a brown bear gave birth to puppies in Lithuania. Wildlife cameras captured the mother and cubs in a forest in the north-west of the country, marking the first confirmed reproduction of the species on Lithuanian soil in generations. Laimonas Daukša, director of the Lithuanian Hunters and Fishermen’s Association, … Read more
In 1916, just a year after Albert Einstein published his general theory of relativity, Karl Schwarzschild used mathematical calculations to show this: If enough mass were packed into a very small volume, then this dense enough mass would create a region where the gravitational force is so strong that nothing, including light, could escape from … Read more
Our preferences are ingrained traits that have developed over time. We are learning about our closest cousins to better understand ourselves. A recent article described how chimpanzees prefer crystals to ordinary rocks. But science has struggled to understand why, until now. By studying chimpanzees and monkeys, we reveal a few secrets about ourselves. What makes … Read more