‘Demo days’ are when founders at Y Combinator pitch their startup ideas

Explore the schedule of a three-month YC batch

During the three months that founders accepted into Y Combinator spend on YC’s California campus, they receive mentorship from YC partners, networking opportunities, and, overall, a ton of time to build and scale their companies.

Y Combinator changed the way startups around the world are built

Many of the philosophies that the leaders of Y Combinator have infused into the program’s portfolio companies have become the playbook for building the next big thing, such as its focus on founder personality and more.

Startup accelerators offer mentorship and seed funding in exchange for equity

Those programs, such as Y Combinator and Techstars, not only offer expert advice to founders, but also seed funding in exchange for equity. The goal is to help young startups learn from successful companies, making it more likely they attract venture capital.

Stanford’s ‘How to Start a Startup’ series

Stanford’s archive of lectures about creating a startup includes advice from Y Combinator notables such as former YC president and OpenAI CEO Sam Altman and YC Cofounder Paul Graham.

Startups are small, early-stage companies designed to grow fast

The definition of the word “startup” is complicated—so who better to define it than Y Combinator, perhaps the most well-known startup accelerator in the business? YC’s blog also explains how startups make money and build products.

Read Paul Graham’s initial post announcing YC’s first batch

In March 2005, Y Combinator cofounder Paul Graham announced the program that would become Y Combinator on his website.

Startups follow a 'minimum viable product' strategy to determine demand

Michael Seibel, group partner for startup incubator Y Combinator, explains how to build a minimum viable product (also known as an MVP) for any startup idea. Using real companies that experienced the Y Combinator program as examples, he walks through how to determine an MVP feature set, how to present an MVP to potential investors, and more.

Startups fundraise in 'rounds' as they prove out their business and scale

When startups take on outside funding, those investments are divided into different "rounds." These rounds are catered to different stages in a startup's life cycle—a startup often needs different types of investors and amounts of funding at different stages of the business. For instance, a pre-seed investment round can include investments ranging from about $25K to $500K, whereas a Series D investment can be hundreds of millions of dollars.

Early-stage investors say ‘no’ to the vast majority of funding pitches

Angel investor Alicia Syrett details the top reasons investors turn down entrepreneurs. For example, the entrepreneur didn’t do their homework by, for instance, not researching the investor.

Ride along on one coffee company’s journey through the stock market

From going public with an initial public offering, to struggling with how negative news coverage impacts a stock’s value, this video lets you put yourself in the shoes of a newly public company. This makes learning about the inner workings of the stock market much easier.

Meet the investor running his life with AI

Daniel Ha is a venture capitalist who built a suite of AI agents to boost his productivity, both professionally and personally. At his VC firm, a troupe of agents gathers data on startups and analyzes it from competing perspectives to produce a confidence score. When his dad was diagnosed with cancer, Ha used an oncology-trained AI to help him understand the condition.

The term ‘angel investor’ is thought to have originated with Broadway plays

The first so-called angel investors funded theatrical productions. Now, angels invest in startups at an early stage, hoping their investment will pay off in the future.

‘Eureka Park’ is CES' startup hub at Vegas’ famed Venetian

For years, new ventures looking for funding and a network appeared alongside established bigwigs like Microsoft and Sony at CES. In 2012, CES created “Eureka Park,” a part of the convention where startups could congregate (some viewed it as being sidelined at the time). Producers of hit reality show “Shark Tank” scout new startups in the park every year.

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

Film festivals are where independent projects find studios

Film festivals are incubators for the movie industry, providing smaller films and their producers with opportunities to screen in front of live audiences, as well as potential investors who may offer wider distribution.

Use this day trading simulator to practice buying and selling stocks while leveraging real-time data and trading charts

Want to try day trading but don't want to risk losing cash? This simulator gives users access to "unlimited" fake money, as well as the option to convert their simulation accounts to the real deal later on.

Venture capitalists were once bullish on DTC brands

While a physical store can only hold so many objects, online retailers without the limits of four walls that could sell their products direct-to-consumer could theoretically be great investments. But they didn’t always provide investors with expected returns.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

Watch a 1908 Wright Flyer demo with Wilbur and a passenger near Le Mans, France

One of the earliest filmed flights, this demonstration in France helped dispel doubts over the Wrights’ claims to powered, controlled flight. Such demos helped launch the pair to fame five years after their seminal flight in Kitty Hawk.

Vitalik Buterin explains ethereum in 30 minutes

Every year, ethereum creator Vitalik Buterin explains what his crypto platform is in a 30-minute presentation at the Ethereum Foundation’s event, Devcon. Buterin’s explanation goes deeper than a simple 101 explanation. To learn more about the current state of ethereum, what’s changed recently, and what Buterin expects down the road, watch this video.

Deemed the 'Woodstock for Capitalists,' Berkshire Hathaway’s annual shareholder meeting draws thousands of attendees

They all gather to hear from Warren Buffett, the “Oracle of Omaha” himself, as he answers questions from investors. Some even run a 5K while they’re there.

YouTube camps teach kids how to create content for the platform

YouTube Creators Camp in Katy, Texas, is just one example of a new camp aimed at teaching kids how to develop their own YouTube channels. This short documentary explores the camp and what its campers suggest makes for a successful piece of content.

In the beginning, there was Adam (Neumann)

This podcast episode, which includes a telling interview with one of WeWork’s first employees, tells the origin story of WeWork—from Neumann’s drinking and disheveled clothing, to WeWork’s first “summer camp” company party weekends in New York.

The show follows a frantic production schedule

The show is pitched, written, and designed in a week. Tuesdays feature infamously long writing sessions that usually stretch into Wednesday mornings. Fridays include shooting for digital shorts and an initial run-through of live material. Before Saturday's live show, there's an extended dress rehearsal.

How presidential candidates prepare for TV debates

One of the most significant performances of a politician's life is the televised debate, which requires the kind of preparation only an actor would be familiar with. This article dives into some of the recent history around debate prep norms, including how every campaign chooses someone to act like the opponent in mock debates—often to comical effect.

'Buying the dip' refers to purchasing stocks or ETFs after a price decline in anticipation of a rebound

Some investors see it as getting a discount before the market recovers and the temporary declines turn into gains.

A timelapse of sprouting seeds

Germination is the process where an organism sprouts from a seed or spore. This timelapse captures the process in an inspiring, two-minute video so you can see the whole story of the seed quickly.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

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

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks

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.

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.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

Doctors differentiate between a phobia and fear by asking patients whether their fear interferes with their day-to-day activities.

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.

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

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

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.