How Alchemy’s Quest for the Philosopher’s Stone Led to Modern Chemistry

Photo by Imagno/Getty Images Published: July 29, 2026Last Updated: August 06, 2026 The philosophers stone was said to possess extraordinary powers. It was the ultimate goal of alchemy, an early scientific and philosophical tradition rooted in the belief that matter—and even a human’s soul—could be transformed. According to legend, the mythical substance could change base … Read more

If your eggs have a green or gray ring around the yolk, it usually means they were overcooked. The ring forms when sulfur in the egg white reacts with iron in the yolk during high heat or long cooking times. It may look strange, but the eggs are still safe to eat. The green ring is most common in hard-boiled eggs that were cooked too long or cooled too slowly after boiling. To avoid it: Don’t overboil the eggs Remove them from hot water promptly Cool them quickly in ice water after cooking The texture may be slightly drier, but the eggs are not spoiled just because of the green ring.

The culprit? An unexpected chemical reaction That iconic greenish ring isn’t the result of a poor egg or a failed cooking attempt. It’s merely a reaction between the iron in the yolk and the sulfur in the white that results from overcooking. The end outcome is a little layer of iron sulfide, which is nontoxic … Read more

The next part changes everything.

I refused to donate my bone marrow to my dying nine-year-old stepson after the doctors told us I was the only match. “I’ve only been in his life for three years,” I said flatly. “I’m not risking my health for a kid who isn’t even mine.”     The words sounded cold even to my … Read more

My Mom Called My Boss—And Told Him My Secret My Mom Called My Boss—And Told Him My Secret

    There are awkward moments in every adult’s life, but few compare to the shock and embarrassment of realizing your parent has reached out to your boss—especially when it involves a secret you never intended to share at work. That’s exactly what happened to Jenna Parker, a 28-year-old marketing coordinator in Denver, when her … Read more