The weekends just don’t feel long enough. On Fridays, you’re exhausted from a long work week. Saturdays are for running around doing errands that you weren’t able to get done on the weekdays. And then, come Sunday, you’re left dreading the work week ahead. But while the Sunday Scaries aren’t a new phenomenon, in recent years, they seem to have gotten worse, which may have a lot to do with how we view work/life balance in this country. Here’s why you’re getting the Sunday Scaries an ...read more
The realization that our universe is expanding is one of the most transformative discoveries in cosmology. While once hotly debated, this observational reality now forms the bedrock for our modern conceptions of the cosmos.The first evidence for an expanding universe came through Albert Einstein’s discovery of the general theory of relativity in 1917. Other scientists have since gathered more evidence, and expanded his ideas into more tangible models.Einstein's Expanding UniverseEinstein’s t ...read more
These days, we're accustomed to seeing very high resolution satellite images revealing the horrifying impact of extreme weather. Below, I offer a particularly dramatic example: before and after images of the destruction wrought by a tornado — one of at least 20 in an outbreak across the South — that ravaged Rolling Fork, Mississippi on March 24, 2023.But I was struck even more by the broader perspective seen in the image above, published by NASA. Instead of a relatively close up view of home ...read more
Did a tiny amino acid, a cluster of carbon, hydrogen, nitrogen, oxygen and sulfur atoms, kill Beethoven, and not syphilis or lead poisoning, as previously proposed?A new genetic analysis of his hair, borrowed from collectors, suggests that the acid, called methionine, may have greatly accelerated his death from liver disease. Genetics of BeethovenPerhaps the greatest composer of all time, Beethoven had a simple but serious genetic mutation that affected the PNPLA3 protein – found in fat and li ...read more
In the early stages of colon cancer — the fourth most common cancer in the U.S. and the second-leading cause of cancer deaths — there are usually no obvious symptoms. And yet, if it is caught early, it’s highly treatable.Thanks to screenings, colon cancer rates have declined steadily among people in their 50s and 60s, says Jeffrey Meyerhardt, a chief clinical research officer at the Dana-Farber Cancer Institute in Boston and professor at Harvard Medical School. At the same time, he says, t ...read more