Throughout history, jewelry has been a symbol of status, wealth, and power. Though the wealthiest may have adorned themselves in precious gems, stones, and metals, in the ancient world, jewelry was used for a variety of reasons — and came in many different shapes and sizes. The tomb of one Queen Puabi — discovered in the Royal Cemetery of Ur in modern-day Iraq — is a striking example of the riches worn by ancient elites. Her tomb contained magnificent pieces including a headdress of gold l ...read more
Researchers have spent years grappling with the uncertain details of archaic humans’ first entry into Europe, but stone tools created about 1.4 million years ago may offer important insight. The tools were discovered at the Korolevo archaeological site near Ukraine’s border with Romania, and have now considered the oldest known artifacts in Europe made by ancient humans. A team of archaeologists recently dated the tools and published their findings in Nature, delivering progress on critical ...read more
For people with neurodivergence, pharmaceuticals can help manage or reduce symptoms. People with Attention-Deficit/Hyperactivity Disorder (ADHD), for example, may benefit from medication that helps them focus.Increasingly, scientists are also seeing benefits to nutraceuticals. Nutraceuticals (a combo of nutrition and pharmaceutical) are dietary supplements that provide vitamins or minerals. Nutraceuticals might not replace medication, but researchers are finding they can help people with neurodi ...read more
When astronomers study the rotation of distant galaxies, they immediately come up against a puzzle. The stars are held together by gravity, which prevents them being slung into intergalactic space as the galaxies rotate. Indeed, astronomers can calculate the amount of gravity based on the mass of the stars they can see. The puzzle is that the outermost parts of these galaxies are moving too quickly. There does not seem to be enough of this mass to stop these stars from flying away. The fact that ...read more
In ancient cultures, solar eclipses were seen as apocalyptic prophecies, omens of the displeasure of the gods, periodic celestial coincidences, or some mixture of all three. The events stopped wars, made temporary kings, and perhaps founded ancient cities.Solar eclipses may strike awe or even fear in people, especially those less versed in astronomy. After all, they can turn an ordinary bright, clear day into relative darkness as the moon slowly blocks the sun. In ancient times, people could hav ...read more
Author Vishay SinghPosted on Categories Discover Magazine