This image from NASA’s Chandra X-ray Observatory shows the location of different elements in the Cassiopeia A supernova remnant including silicon (red), sulfur (yellow), calcium (green) and iron (purple), as well as the overlay of all such elements (top). A supernova remnant expels heavy elements created in the explosion back into the Universe. Although it isn’t shown here, the ratio of U-235 to U-238 in supernovae is approximately 1.6:1, indicating that Earth was born from largely ancient, not recently, created raw uranium. (Credit: NASA/CXC/SAO)
???Discover the hidden motives behind the allure of long nails.???
The trend of long nails has been popular for decades, with many people — particularly women — opting to grow their nails out to…