Phobos and Deimos are potato-shaped, heavily pock-marked rocks that are gravitationally bound to Mars. They are also two of the strangest moons in the Solar System.For a start, they are tiny compared to their host—Phobos is just 20 kilometers across. They are much less dense than Mars and heavily cratered, suggesting a colorful past. They also have some peculiar features, such as the grooves on the surface of Phobos that stretch for over a kilometer. The puzzle for astronomers is to determine ...read more
More than 53,000 Americans are projected to die from colorectal cancer this year. Although colorectal cancer is the second-most common cause of cancer deaths in the United States, it can be cured if caught early. Detecting a tumor as soon as possible can help you get treatment as soon as possible, giving you the best chance for survival.In my work as a gastroenterologist, I treat patients from every background and walk of life. Uniting them are a growing number of insurance barriers threatening ...read more
When you think of psychedelic drugs like psilocybin or lysergic acid diethylamide (LSD), you might imagine an array of mind-boggling visuals. Yet psychoactive substances can be good for more than just a tremendous trip. For thousands of years, they’ve been used to treat psychological disorders and promote well-being. In fact, when taken in small doses, experts say they can even produce comparable effects to antidepressants. Called microdosing, this idea is nothing new, but it’s taken off i ...read more
An EF-4 tornado carved a path of destruction through Greenfield, Iowa, on May 21, 2024. With peak winds of 185 miles per hour, the twister's rampage through the little town is visible in this image captured by the Sentinel 2 satellite on May 25. (Credit: Modified Copernicus Sentinel data processed by Tom Yulsman)It has been quite a spring for twisters in the United States. So far this year, the preliminary tally from the Storm Prediction Center has reached 1,035 tornadoes, with 872 of them occur ...read more
Houston just can't seem to catch a break. After a band of extreme thunderstorms rampaged through on May 16, knocking out power to large parts of the city, new storms have caused continuing misery there — and, for that matter, large swaths of the Lone Star State and beyond. On Tuesday, May 28, powerful storms pummeled Texas with high winds and baseball-sized hail, tragically causing one death. Houston was not spared: Streets were flooded for the second time in two weeks, and more than 100,000 C ...read more
Author Vishay SinghPosted on Categories Discover Magazine