A deed is a legal document that shows change of homeownership during a sale

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.

A revocable living trust is the most common type of trust

With a revocable trust, the grantor can alter or dissolve the trust at any time. A living trust, is one that the grantor creates during their lifetime (as compared to a “testamentary” trust, which a grantor establishes in their will to be read after death).

What is a lien?

A lien is a legal claim or right to someone else's property, such as a home. For instance, if someone wins a lawsuit against you and they can’t immediately collect the money you owe them, they might have the right to file a lien against your property.

Escrow is when a third party holds on to the money during a financial negotiation between two other parties

In the homebuying process, escrow typically happens while the buyer and the seller negotiate the terms of the sale. Escrow accounts can also be used to hold a buyer’s money when making payments on their loan.

NFTs create a unique digital signature to prove ownership

NFTs create digital certificates for unique online collectibles, mainly on the Ethereum blockchain. Artists can leverage NFTs to verify their online works.

A guide to the homebuying process

From searching for the home itself to writing an offer letter to closing on the home, there are specific steps involved in becoming a homeowner. This checklist from a Tennessee real estate broker provides a visual outlining the basic steps of the process.

What's the difference between a stock and a share?

While the words "stock" and "share" are often used interchangeably in casual conversation, they have different meanings. For instance, "stock" is more general, whereas "share" is more precise.

Proof-of-work versus proof-of-stake: what's the difference?

The two main consensus mechanisms—the way blockchains confirm and enshrine information—are proof-of-stake and proof-of-work. An overview compares the differences between the two and the latter's ability to reduce the energy intensity of the computation process, which has emerged as one of the biggest criticisms of the crypto boom.

What the Declaration actually says and how to see it

This official page from the National Archives breaks down the Declaration of Independence in plain English, explaining its purpose, key ideas, and grievances against King George III. It also shows how the document was created and where it’s displayed today.

Ledgers—what are they good for?

It might seem strange that a ledger—a dull and practical document associated mainly with accounting—would be described as a revolutionary technology. But the blockchain matters because ledgers matter. Read (or listen to) this 14 minute breakdown on why ledgers matter.

Despite earning less than most tech workers, educators have one of the highest rates of homeownership

Annual income largely determines homeownership. In the US, 72% of people in management roles own a home, but educators, who on average earn much less than those working in business, have the second-highest rate of homeownership.

Marriage is a legally and socially sanctioned union

Marriage's definition may seem simple—a union of two or more people who join their lives together in a culturally appropriate fashion. However, elaborate customs and diverse expectations dictate the roles spouses will play for one another. Across different regions and periods, marriages have taken a great number of forms.

Deputy sheriffs and city police have different legal authority and chains of command

Sheriffs are elected officials at the county level, and their deputies usually patrol unincorporated areas and manage county jails. City police are hired by local government authorities and operate within city limits under a different chain of command.

More than 40 states have passed versions of the Uniform Declaration of Death Act

The 1981 model law, now enacted in most states, is the legal basis for death in the US. There have been many efforts to amend this law, citing the need for more transparency to improve trust between families and the medical profession, though none have moved forward. Alterations to the law could have implications for organ donations and removing life support.

Decentraland is a virtual world that runs on Ethereum

Users can buy plots of land in the virtual Decentraland universe to collect, trade, and battle Pokemon-like monsters in the video game “Axie Infinity.”

Real estate is grouped into broad categories: residential, commercial and industrial

Other categories of real estate include raw land and “special use” real estate, which includes cemeteries. Technically speaking, real estate is considered an alternative investment.

What classified documents look like

It's hard to get a sense of what these classified documents being discovered at the homes of presidents look like. Here's some images of the ones found at former President Donald Trump's home.

Estate planning involves organizing your financial documents—and making sure your family knows where to find them

This article offers tips for keeping yourself organized, such as the list of documents your family may need and suggestions for where to keep the files, both digital and physical.

Most Americans take the standard tax deduction

A tax deductible is an expense that a taxpayer or business can subtract from adjusted gross income, reducing their taxable income and therefore reducing the amount of taxes owed. Governments often use tax deductibles as a way to reward people who do things that are considered beneficial to society, like charitable donations.

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

Disinflation, a decrease in the rate of inflation, is different from deflation

Disinflation happens when prices are still going up, just at a slower rate. Prolonged disinflation is also often accompanied by a recession, making it painful for consumers.

Trade dress is a form of trademark that applies to the physical appearance of a product

Distinct visual characteristics of products, like the shape of a Coca-Cola bottle or the interior layout of an Apple store, can be protected. These characteristics are protected to help consumers quickly identify certain brands.

1440: Everything you need to know about Alzheimer's

What is Alzheimer's, and is it different from dementia? In short, yes—Alzheimer's is a specific brain disease that falls under the umbrella of dementia. However it is the most prevalent form of the condition, accounting for 60 to 80% of reported dementia cases.

What's the difference between weather and climate?

A five-minute TedEd video exploring the differences between weather and climate – what they are, how we predict them, and what those predictions can tell us.

Avenues are typically wider than streets

Generally speaking, avenues are roads with buildings or trees on both sides. This article further details the differences between lanes, streets, circles, drives and more.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

How house colors can indicate gentrification

Reporters from the Washington Post share an analysis that indicates gray and neutrally toned houses are signs of gentrification in a neighborhood. Visuals of different paint swatches help illustrate which colors are chosen for newly built homes in certain DC districts.

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

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

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

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

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

Shooting stars, or meteors, are fragments of asteroids and comets that burn up as they enter Earth's atmosphere, creating streaks in the sky called meteor showers.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

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.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.