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| Locally sourced: Pelicans prefer native fish to sportfish at Utah's strawberry reservoir Posted: 07 Mar 2022 04:06 PM PST American white pelicans who pause their migration at Strawberry Reservoir in Utah are filling their bellies with native species like Utah sucker for the most part, leaving cutthroat trout to the human anglers, according to new research. |
| Physicists discover method for emulating nonlinear quantum electrodynamics in a laboratory setting Posted: 07 Mar 2022 01:20 PM PST On the big screen, in video games and in our imaginations, lightsabers flare and catch when they clash together. That clashing, or interference, happens only in fiction -- and in places with enormous magnetic and electric fields, which happens in nature only near massive objects such as neutron stars. A team of physicists has discovered discovered that it is possible to produce this effect in a laboratory setting, using a class of novel materials. |
| Posted: 07 Mar 2022 08:31 AM PST A new study asks what drove prehistoric humans to collect and recycle flint tools that had been made, used, and discarded by their predecessors. After examining flint tools from one layer at the 500,000-year-old prehistoric site of Revadim in the south of Israel's Coastal Plain, researchers propose a novel explanation: prehistoric humans, just like us, were collectors by nature and culture. |
| Tiny worms make complex decisions, too Posted: 07 Mar 2022 08:30 AM PST How does an animal make decisions? Scientists have spent decades trying to answer this question by focusing on the cells and connections of the brain that might be involved. Scientists are taking a different approach -- analyzing behavior, not neurons. They were surprised to find that worms can take multiple factors into account and choose between two different actions, despite having only 302 neurons compared to approximately 86 billion in humans. |
| Pig grunts reveal their emotions Posted: 07 Mar 2022 05:23 AM PST We can now decode pigs' emotions. Using thousands of acoustic recordings gathered throughout the lives of pigs, from their births to deaths, an international team of researchers has translated pig grunts into the emotions they appear to express. |
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