How dentistry evolved from carnival sideshow to respected medicine

Why our ancestors didn't have crooked teeth

The ancient human fossil record is filled with specimens with pretty nice teeth. So why do modern humans have dental problems? Scientists can't be certain, but one hypothesis suggests the evolutionary shrinking of the human jaw crowded our mouths,...

The rise of telemedicine: A post-pandemic analysis

Before COVID-19, telemedicine remained on healthcare's periphery; however, the pandemic thrust it into the limelight, transforming how we approach medical care. This comprehensive review published by Press Ganey dives deep into the evolution,...

Medieval hospitals existed centuries before modern medicine

Long before modern healthcare, medieval Europe established hospitals that served multiple roles, including religious, social, and medical purposes. This podcast explores how institutions like Siena’s Ospedale di Santa Maria della Scala supported urban and rural communities for centuries.

Annual memberships for concierge medicine can be $1,000 or as much as $50,000

Concierge medicine practices offer more opportunities for same-day visits and longer meeting times with doctors in exchange for annual membership fees on top of typical insurance payments, copays, and deductibles.

Medicare vs. Medicaid explained in 60 seconds

Medicare and Medicaid both provide government-funded healthcare but serve different groups. Medicare, launched in 1965, covers those 65 and over and has three parts: hospital stays (A), outpatient care (B), and prescriptions (D). Medicaid, funded by federal and state governments, supports low-income individuals, with eligibility varying by state.

Why surgeons implant teeth into eyes

What if the thing that restored your vision… was your own tooth? That’s exactly what happened to Brent Chapman. After 20 years without sight, a bizarre surgery using his tooth as a lens restored his vision.

Hear how the Super Bowl went from a risky experiment to America's unofficial holiday

In this podcast episode, former Emmy award-winning ESPN producer Dennis Deninger traces the Super Bowl's unlikely rise from the AFL-NFL merger era to a national spectacle, explaining how it reshaped advertising, gambling, television, and American culture.

The culture shock of flossing in France

Flossing is a typical recommendation from US dentists as a low-risk method of reducing plaque buildup on your teeth. However, in many parts of the world, especially France, the practice is not a cultural norm. This article explores reactions from French natives to the idea of flossing and examines the surprising lack of studies proving (or disproving) the efficacy of using floss.

Listen to why extensive ear rinsing can create problems

The clinician who hosts this podcast discusses how his patient developed swimmer's ear after he flooded his ears with water during his daily showers, ostensibly to clean them. The resulting itchy, painful ears were the result of removing protective earwax in the ear and also altering the typical pH of the ear.

Mortgages evolved from exclusive agreements for the wealthy into a key part of homeownership today

The word "mortgage" comes from medieval French, meaning "death contract"—but the modern American mortgage has a more recent and complicated history. This explainer looks at how mortgages evolved from exclusive agreements for the wealthy into a key part of homeownership today, including the impacts of New Deal policies, redlining, and the Fair Housing Act.

Cochlear implants are raising questions about deaf identity and culture

The rise of cochlear implants, which are usually covered by insurance and can enable hearing for many patients, raises questions about what it means to be deaf, the effects on deaf individuals learning American Sign Language, and about deaf culture. Watch this video that discusses the controversies and spotlights a little girl who hears for the first time with her cochlear implant.

Surgery before the dawn of anesthesia

The arc toward anesthetics was painfully slow, with early pain mitigation offerings ranging from analgesics—drugs that dim pain but don't block it—and numbing surgical sites with cold water to gassing patients with carbon dioxide or bashing or bleeding them unconscious. Such treatments and the torturous surgery they preceded led many to avoid even life-saving procedures, and those who survived often kept silent about the trauma.

Paperwork errors cost families millions in life-insurance payouts

This podcast episode reveals how human missteps by employers and insurance providers caused hundreds of families who paid life-insurance premiums to be denied millions of dollars in death benefits. A Wall Street Journal reporter breaks down how flaws in the system made this happen.

Homes in areas increasingly prone to natural disasters often aren't covered by private insurance

Instead, they're often covered under insurance plans of last resort, known as FAIR (Fair Access to Insurance Requirements) plans. However, as more and more homes become covered by FAIR, the program is facing strain. This interactive visual helps explain the new problems FAIR is facing.

The economics of horseshoe crab blood

Horseshoe crabs are older than dinosaurs and have survived five mass extinctions that wiped most life from the planet. But it's only now that their future as a species is in danger. This blood, worth about $60,000 per gallon, is hyper-sensitized to certain bacteria that are fatal to humans. This 17-minute podcast dives into humanity's pursuit of horseshoe crab blood, a "somewhat magical" mixture heavily relied on by the pharmaceutical industry.

The basics of private credit—plus why it matters in 2026

This podcast episode—one of the best we found for explaining the ins and outs of private credit—details how private credit became a significant lender for the tech industry, and how AI could disrupt private credit investments.

Carnivals and circuses helped create professional wrestling

Catch wrestling became a fixture of American carnivals, which rose in popularity in the early 20th century. Carnival workers began fixing matches to reduce injuries and earn money from ignorant fans, whom they called "marks."

Wedding photographers and other vendors have tailored their services to social media in recent years

In this podcast interview with Xochitl Gonzalez—a former luxury wedding planner who wrote the viral The Fake Poor Bride article in 2023—you'll learn a lot about how the wedding-industrial complex has evolved over the past few years and how modern additions, such as the rise of wedding styling services for "wedding weeks," have driven costs up.

In the 1960s, Virginia became home to the first emergency department in the US

It was a 450-square-foot basement room with four stretchers staffed by four doctors inside Alexandria Hospital, in Alexandria, Virginia. Patients there were charged $5 per visit. The first emergency medicine residency followed in 1970, in Cincinnati.

Software subscriptions, licenses, and climate control systems add to 3D printing costs

Although the sharing of designs and reduced manual labor suggested the fabrication of prosthetics would be facilitated by 3D printing, particularly in developing regions, software and hardware requirements have posed hurdles to achieving this goal. While some insurance companies have refused to cover 3D-printed limbs, they are covered by Medicare.

Dr. Bernard Fisher pioneered lumpectomy as a treatment for breast cancer

Dr. Bernard Fisher was a surgeon-scientist who developed and discovered cancer treatments that changed the way we treat and understand breast cancer. Despite these contributions, Fisher was also the subject of a congressional investigation that tarnished his reputation. Listen to the "Less Radical" six-episode podcast series covering the complex story of this influential doctor.

Learn more about Niagara’s death-defying daredevils

This podcast from the Niagara Falls Daredevil Museum explores 19th‑ and early 20th‑century Niagara daredevils—like tightrope walker Charles Blondin, barrel-stunter Annie Edson Taylor, and Sam Patch—detailing their feats, dangers, and public spectacle.

'Mental hygiene' was the 1843 term for mental health

It was coined by American psychiatrist William Sweetzer to reference the same idea as personal hygiene. Mental hygiene, in Sweetzer's view, needed to be maintained in the same way people attend to their personal cleanliness, an idea that was supplanted by better understanding of the complexities of mental health disorder causes in the decades that followed.

An overview of 200 years of diabetes treatment

Diabetes treatment became truly effective after the advent of insulin injections in the early 1900s. Diabetes is becoming increasingly common. Current trends estimate one in three Americans will have diabetes by 2050. This overview explores two centuries of diabetes treatment—starting in 1812—and outline potential challenges to treatment and prevention.

How parking infrastructure reveals a region's values

As cars became more popular, the need for city parking increased. In Europe, well-established cities with limited space generally opted for more expensive underground parking beneath public spaces to preserve aesthetics. Available land and decentralized planning in the US saw more parking lots and garages built. These decisions reveal broader policy realities for these regions.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

See images of medical cases of firework injuries shared on this 'Instagram for doctors.' (Warning: Graphic content)

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

See the evolution of Ebola vaccine and treatment development.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

Exploring the Larry Bird punch that almost changed March Madness

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight