An avid stargazer may notice that apart from the gleaming white stars that sprinkle the night sky, there are red, yellow, blue and orange stars. However, what you'll never see are green stars. Why is that, and why are some stars different colors than others? The answer may surprise you. What Color Are Stars?On a typical cloudless night — depending on the level of light pollution — you'll see thousands of bright white stars. On certain nights throughout the year, you'll even get a glimp ...read more
Lithium! Is there a hotter element these days? The foundation of our attempt to move anyway from the use of petroleum products for energy sits, at least right now, on lithium and its use in batteries. Li-ion batteries are the core to electric cars, household electrical storage and pretty much any technology that requires the power for long periods. However, the lithium has to come from somewhere, just like all resources from our planet ... and unlike petroleum, it isn't life that is the ultimate ...read more
Roughly 250 million years ago, Earth’s land masses lay together in one supercontinent known as Pangea. Surrounded by a single ocean, known as Panthalassa, it saw the rise of the dinosaurs. Pangea was roughly shaped like Pac-Man, with land reaching to both north and south poles and a chunk biting into the middle that contained the Tethys Sea, explains Paul Olsen, a paleontologist at Columbia University. Over the millions of years of its existence, this supercontinent saw the flourishing of bio ...read more
A land predator that lived during the ill-fated Permian Period functioned like a “big cat,” such as a tiger or lion, that dominated its local food chain, according to the scientists behind a new fossil find. That said, this 10-foot-long, 880-pound force probably looked nothing like a feline – it likely resembled a large amphibian.During the Permian Period and before the emergence of the dinosaurs, such four-legged “tetrapods” ruled the land. Their preeminence ended, however, with the w ...read more
In 2021, the web-based word game, Wordle, took the world by storm. Developed by a Welsh software engineer for his family and friends, the game asks players to find a five-letter word in six guesses using color-coded clues to indicate correct letters in previous guess. The game had around ninety players in November 2021, then 300,000 by the end of the year and over two million by the second week of January 2022. By the end of that month, the game was bought by the New York Times which has continu ...read more
Author Vishay SinghPosted on Categories Discover Magazine