The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal skeleton covered in a thick layer of calcite, sometimes called "cave popcorn." The researchers' findings suggest that the size of Neanderthal noses might not have had anything to do with living in cold temperatures.

Is the viral 3I/Atlas leaked photo real or fake? A clear fact check on its origin, what NASA data show, why basic optics say no, and how social media fueled the debate.