In 2023, self-driving cars drove 3.3 million miles on California's roads

As of 2025, Waymo has rolled out "robotaxi" services in five US cities

The company has been under investigation by the National Highway Traffic Safety Administration following dozens of crashes and incidents that appear to show Waymo vehicles violating traffic laws over the past decade in Phoenix, San Francisco, Los Angeles, Atlanta, and Austin.

Self-driving vehicles have the potential to cut ride costs by 40-50% and eliminate thousands of road deaths

Author Andrew Miller argues that widespread adoption of self-driving vehicles is no longer a distant promise, as Waymo expands into over 15 cities. However, he warns the technology's biggest remaining hurdles are political: liability, labor, and whether cities embrace or resist the shift.

As of 2025, self-driving cars continue to be unavailable to consumers

These vehicles rely on radar, cameras, lidar, and advanced AI to process data and make real-time driving decisions. Companies like Waymo and Mercedes-Benz are testing autonomous cars on public roads, but challenges remain, including technical reliability issues, regulatory hurdles, and a lack of consumer trust.

There is no clear national standard of laws for autonomous vehicle

Some US states allow self-driving vehicles to operate without a human driver present, while others require a licensed driver to be behind the wheel. As of January 2023, a total of 21 states have legalized autonomous vehicles in public, with six focused solely on semi-trucks.

In a 2024 survey, 93% of participants expressed concerns about self-driving cars

Safety was the leading consumer fear, with technological malfunctions coming in second. Nearly half of all consumers identified skepticism or concern as their primary descriptor for autonomous cars, but 20% cited enhanced mobility for the elderly and people with disabilities as a key benefit.

Explore the National Highway Traffic Safety Administration's guide to automated cars

This page provides answers to questions on topics ranging from liability for crashes involving autonomous cars to the safety benefits of these cars. A timeline of the evolution of automated safety technologies is also provided.

As of 2024, 13 states have plans to phase out gas-powered cars

In 2022, California adopted the Advanced Clean Cars II Act, which requires all new passenger cars, trucks, and SUVs sold to produce zero emissions by 2035. Other states adopted similar laws, joining more than 50 countries with phaseout plans.

Autonomous vehicles have been confirmed to reduce greenhouse gas emissions

Research indicates that self-driving cars can reduce harmful pollution through lower traffic, decreased parking demand, and optimized driving behavior. These benefits can be enhanced further in smart cities with responsive traffic signals.

Self-driving formula cars race in the Abu Dhabi Autonomous Racing League

The league and high-speed versions of traditional cars help to showcase the capabilities of driverless vehicles and the reliability of their AI systems. Leonardo da Vinci first imagined the idea for such machines in the 16th century.

As of 2025, most EV batteries retain 95% or more of their range after three years

Data from over 30,000 electric vehicles shows that their batteries are lasting much longer than initially projected, which researchers suggest is due to improved battery management systems and real-world use often being less rigorous than high-performance testing. Cars with 150,000 miles or more that have not had a battery replacement retain at least 83% of their original range.

By designing a $35,000 car, Tesla sought to bring EVs into the mainstream

Despite production delays, factory struggles, and skepticism from established carmakers, Tesla reached its goal of making 5,000 Model 3s per week. This achievement marked a turning point, proving that electric vehicles could be scalable to meet increasing demand.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Targeted ads accounted for 80% of Google's parent company's total revenue in 2020

Ads in Google Search, YouTube, and other products brought in $147B for Alphabet, with ad click costs ranging from $7 to several hundred dollars. YouTube's ad revenue alone jumped 49% year-over-year in one quarter.

Why car insurance rates are skyrocketing

The average annual premium for auto insurance coverage in the US rose 26% in 2024, and rates are only expected to increase. The rate hikes aren’t simply a result of more people getting into crashes. This video explores how a lack of trained auto mechanics, a tighter supply of used vehicles, record healthcare bills, and litigation are contributing to higher monthly insurance bills.

The US has over 4 million miles of roads. Learn about how highways are designed and the geometry behind what makes them safe and efficient

In 2023, venture capital firms invested $170B in over 15,000 US companies

That's a significant drop from 2022’s $242B, reflecting market uncertainty but continuing VC’s role in scaling transformative ideas. Rooted in early risk-sharing models, venture capital took off with firms like ARDC in 1946, later evolving into today’s influential players like Sequoia Capital and Andreessen Horowitz.

Microsoft has integrated AI across its software products with Copilot

It utilizes an underlying model from OpenAI—makers of ChatGPT—to assist users in creating documents, writing code, locating files, and more across Windows, Microsoft 365, Bing search and WhatsApp on desktop and mobile devices. Copilot Voice and Vision offer accessibility features for users who prefer not to use mouse/keyboard navigation.

In 2024, 15% of US laborers worked remotely

At the time, Frisco, Texas, had the highest share of remote workers among large US cities, at 34% (or 42,000 people). Frisco was closely followed by Berkeley, California, at 32% (18,000 people).

Colorado legislates neural and biological data generated by the nervous system

The law expands personal privacy protections to include data from brain activity, marking the first legal step of its kind in the US. It targets companies involved in consumer neurotechnologies, which were previously not required to restrict user data access.

Millions of honeybees are hauled yearly across the US to help pollinate farms

As indigenous pollinator populations dwindle, farmers increasingly rely on commercial honeybees, which truckers often transport during cooler periods to prevent die-off from overheating. Pollinating all the almond trees in California requires 85% to 90% of all honeybees available to pollinate in the country.

AI is estimated to drive most data center power demand growth through 2030

According to a report from the International Energy Agency, a typical AI data center in 2025 consumes as much electricity as 100,000 households, but the largest under construction are expected to consume 20 times as much. Global data center electricity consumption is expected to surpass Japan's total consumption by 2030.

People spent more than a billion hours visiting national park sites in 2025

Overall, the National Park Service reported 323 million visits for the calendar year, with 26 parks reporting record years. Here's how that broke down by type of site:

A $50 bet led to the first coast-to-coast road trip

In 1903, Dr. Horatio Jackson took a $50 wager that he could drive from San Francisco to New York. Soon after, Jackson and his mechanic set out on the cross-country voyage without a map. They arrived in New York 63 days later. The trip cost them $260K in today’s money.

The film industry is responsible for more than 200K jobs in California

Hollywood films generate roughly $49B for the US economy each year. In California, the film industry provides more than 200,000 jobs. Industry employees were paid more than $42B in wages in 2022.

Side-by-side shots of once-dry California lakes now filled

In late 2022, much of California was in drought; by early 2023, after a series of downpours from atmospheric rivers, much of the state's reservoirs had been re-filled. See the dramatic difference in this series of photos.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

3 US maps illustrate transplants, donors, and organ waitlist additions—by state

National UNOS tracking data feeds into these US maps that record all the transplants, donors, and waitlist additions in the last 12 months. California, for example, had the most transplantations in 2025—totaling about 5,200—but it also has the longest waiting list, with more than 20,000 additions in that same period.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

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

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

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

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

11 people died from firework injuries in the US in 2024.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

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.

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.

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

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

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

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real