Interesting Things with JC #1751: "The Wasps That Know Your Face" – Northern paper wasps recognize individual nestmates by their faces. Change a familiar face, and the colony responds with aggression until it learns who that face belongs to.

Interesting Things with JC #1750: "Trebizond" – Ships carry coffee, copper, cloth, salt, and other goods through Trebizond while steep roads climb from the Black Sea harbor into the Pontic Mountains.

Interesting Things with JC #1749: "Ouzel Lake and the Dangers of Alpine Swimming" – Ouzel Lake can look inviting after a 4.9-mile summer hike, but the mountain water can remain cold enough to trigger an involuntary gasp and rapid breathing almost immediately.

Interesting Things with JC #1748: "Follow the Leader" – August 18th, 1998 a legendary album dropped. Korn’s original Follow the Leader CD starts with twelve five-second tracks containing no music. A full minute passes before the album finally begins on track thirteen....

Interesting Things with JC #1747: "Davy Crockett Before the Legend" – Davy Crockett was becoming a legend while he was still alive. He claimed 105 bears in less than one year!!

Interesting Things with JC #1746: "Julie Newmar" – Julie had already won a Tony and trained for years in ballet before playing Catwoman, then used that same attention to movement and body shape to redesign women’s undergarments.

Interesting Things with JC #1745: "The Wow! Signal" – A radio telescope in Ohio detected a powerful narrowband signal from the direction of Sagittarius for 72 seconds, matching the rise and fall expected from a fixed source in the sky. The signal vanished!!!!

Interesting Things with JC #1744: "The Lemon Juice Heist" – McArthur Wheeler robs Pittsburgh banks with lemon juice on his face because he believes security cameras cannot see him. The cameras see him clearly.

Interesting Things with JC #1743: "The Dunning-Kruger Effect" – Low performers overestimated their scores, but the famous “Mount Stupid” graph wasn’t part of the study, and researchers still debate what causes the effect.

Interesting Things with JC #1742: "The Milk Hill Spiral" – In a wheat field on Milk Hill, 409 separate circles form a six-sided spiral across roughly 780 to 900 feet of rolling ground. The circle sizes change as the pattern spreads outward, but the larger geometry holds across the hillside.

Interesting Things with JC #1741: "The Night Hip-Hop Was Born" – At a Bronx party in 1973, DJ Kool Herc notices that dancers come alive during the short drum breaks, but the breaks end within seconds. He uses two turntables to keep those sections going, giving the dancers more of the part they want

Interesting Things with JC #1740: "Forty Six and 2" – Tool’s “Forty Six & 2” starts with a shadow shedding its skin, moves through wounds being reopened, and hides a disputed idea about human chromosomes inside its title. Nearly thirty years later, listeners are still pulling apart the psychology

Interesting Things with JC #1739: "R&B in the Rain" – The Temptations use rain to hide a man’s tears, but later R&B records keep putting people in the same weather for different reasons. Ann Peebles hears an absent lover in every drop, New Edition turns rain into a relationship test

Interesting Things with JC #1738: "The Swiss Army Knife Parcel Hook" – A small hook on the back of many Swiss Army Knives was designed to carry heavy string-tied parcels without cutting into your hand. Long after those packages disappeared, the tool remains on millions of knives because people kept

Interesting Things with JC #1737: "Susan and Phil" – A woman enters a Fort Worth topless bar because she needs money, but the bouncer watching the door decides she doesn't belong there and asks her to go rattlesnake hunting instead. That unlikely meeting leads two ninth-grade dropouts toward biology

Interesting Things with JC #1736: "NFL Training Camp" – Every NFL team starts training camp with 90 players, but every practice removes someone from the race until only 53 are left.

Interesting Things with JC #1735: "The SpaceX Rocket That Crashed on the Moon" – A spent SpaceX Falcon 9 upper stage drifted through space for more than a year after completing its mission before gravity pulled it into the moon, where its impact created a new crater that spacecraft can study.

Interesting Things with JC #1734: "Tattoo Ink and Your Lymph Nodes" – Tattoo ink doesn't always stay in your skin. Your immune system carries some of it into nearby lymph nodes, where the pigment can remain for decades as immune cells continually pass it from one cell to the next.

Interesting Things with JC #1733: "Can Rams Get Brain Damage?" – Bighorn rams survive violent head-on crashes that would devastate most animals, yet their brains may still carry evidence of those impacts. Scientists are still trying to understand what they're seeing.

Interesting Things with JC #1732: "The Man Who Changed How Britain Learned Mathematics" – A Cambridge mathematician leaves a prestigious research career to redesign how mathematics is taught, replacing outdated classroom methods with ideas like vectors, matrices, and graph theory that spread through schools across Britain and shaped how millions of students would learn for generations.