BrainStuff

The concept of eating three square meals a day only goes back about 150 years. Learn how technology, marketing, and other factors have shifted our meals and mealtimes in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/biological-reason-to-eat-three-meals-day.htmSee omnystudio.com/listener for privacy information.

Discover how walkie-talkies send voices through microphones, radio signals, antennas, and speakers. Explore their military roots, FM improvements, licensing rules, realistic range, signal-blocking obstacles, and the truth about so-called privacy codes. Plus, learn about modern features that keep these nearly century-old communicators useful.

Meet Dimetrodon, the sail-backed predator that prowled Permian landscapes long before dinosaurs appeared. Explore its mammal-leaning anatomy, powerful jaws, specialized teeth, scaly hide, and theories about its dramatic sail. Discover how this unusual synapsid fits into the story of mammalian evolution.

Explore Samhain, the ancient Celtic festival marking the shift from harvest to winter and the beginning of a new year. Discover its ties to spirits, ancestors, fairies, bonfires, offerings and remembrance rituals, then follow its transformation through All Saints’ Day and All Hallows’ Eve into modern Halloween.

A grisly 1974 murder case became the foundation for one of America’s most famous haunted-house legends. The Lutz family’s terrifying 28 days featured apparitions, slime and levitation, but critics allege the story was engineered for profit. Explore disputed crime details, the book-and-film sensation, and what happened to the house afterward.

From tropical cacao pods to glossy chocolate bars, discover the farming, fermentation, roasting, grinding, conching, and tempering behind every bite. Trace chocolate’s journey from an ancient ceremonial drink to an industrial treat, while exploring the labor struggles, child exploitation, and environmental damage tied to modern cacao production.

James Dean’s silver Porsche 550 Spyder became known as “Little Bastard” after the actor’s fatal 1955 crash. Reused parts were linked to another deadly accident, while eerie stories fueled claims that the car was cursed. Skeptics challenge the legend, and the Porsche’s mysterious disappearance leaves behind one valuable surviving piece.

Explore Lily Dale, the New York community famous for spiritualism and mediumship. Discover how the Fox Sisters’ mysterious rappings helped spark a movement, why the town became a hotspot for séances and spirit communication, and how its registered mediums, summer gatherings, and modern-day practices continue to draw visitors seeking connection with the dead.

A WWII warship supposedly vanished in a blaze of energy, teleporting through space and leaving crew members fused to its hull. Trace the tale from strange letters and UFO lore to degaussing cables, storm effects, and a prankster’s claims. Along the way, discover how movies, government secrecy, and the Montauk Project helped this enduring hoax stay alive.

Could a fright really turn your hair white overnight? Explore the centuries-old “Marie Antoinette syndrome,” how hair naturally loses its pigment, and the roles of genetics, melanocyte stem cells, stress and DNA damage. Discover why sudden hair loss can create the startling illusion of overnight whitening.