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Scott Manley's short animation shows every asteroid discovery from 1970 to 2015 plotted over time in 8K. It makes visible how survey technology made discoveries accelerate and where telescopes looked.

A Discovery Channel computer simulation of a large asteroid impact on Earth, showing the scale of the devastation. It sits in a broader context of early Earth impacts and the moon-forming collision.

A Last Week Tonight segment in which John Oliver explains the US nuclear waste storage problem, including the Yucca Mountain politics. It argues the country needs a safe place to store waste.

John Oliver's Last Week Tonight segment on food waste covers how producers, sellers and consumers throw away huge amounts of food, including sell-by dates and donation myths.

A short explainer on the physiological differences between fasting and simply eating less. It covers ketosis, ghrelin and hunger waves, and the hormonal effects of fasting.

Climate Town gives a comedic, fast-paced account of how the plastics industry promoted recycling, including the resin-code recycling symbol, while knowing most plastic could not be economically recycled. It points viewers to the Frontline documentary Plastic Wars for a deeper treatment.

Investigative journalist Sharyl Attkisson explains how astroturf, fake grassroots campaigns funded by corporate or political interests, manipulates media messages. The TEDx talk is about 11 minutes.

Kyle Hill explains what nuclear waste actually is and how it is stored, arguing that the problem was effectively solved decades ago. It covers solid shielded waste and deep geological storage.

Sandy Munro and Cory discuss how Tesla Model 3 and Model Y bodies in white have evolved over five years, including giga castings and lean design.

Cleo Abram's explainer on whether nuclear waste is really the intractable problem it is portrayed as, looking at how spent fuel can be recycled and used. It features a collaboration with Johnny Harris.

John Oliver's Last Week Tonight segment on patents and patent trolls, explaining how stockpiled patents and lawsuit threats burden businesses. It features the East Texas venue of Marshall.

A Last Week Tonight segment on the US Postal Service's financial troubles. John Oliver explains why it matters, what pushed it to this point, and what viewers can do.

John Oliver's Last Week Tonight segment on US voting machines, covering how they work, their security weaknesses, and how elections could be made more secure.

A clip of the Yes Men posing as a Dow Chemical spokesman on the BBC and announcing compensation for victims of the Bhopal disaster, a hoax on live television.

A Business Insider World Wide Waste episode on H&M's garment recycling machines, which turn used clothing into new apparel. It asks whether a fast fashion company can solve the waste problem it helped create.

A short George Carlin bit on the Earth and plastic, in which he suggests the planet may have let humans evolve just to make plastic. The upload is edited to be more safe for work.

John Oliver's 13-minute Last Week Tonight segment explains the 2014 net neutrality fight over cable companies creating unequal internet speeds. It uses comedy to make a dull regulatory topic engaging and tells viewers how to comment to the FCC.

John Oliver's Last Week Tonight segment on net neutrality, explaining the stakes of the FCC's push to roll back the rules and urging viewers to file comments. It is a comedic but substantive explainer.

Technology Connections praises a 1940s-50s Sunbeam toaster and explains what makes a toaster well designed, drawing on a vintage Sunbeam video.

The Explosions&Fire channel taste-tests the chloride salts of the alkali metals (lithium through cesium), plus some alkaline earth metals and ammonium. The presenter describes the flavors, and the results are more pleasant than expected.

A Last Week Tonight segment on the tension between public and private weather forecasting, including NOAA data and AccuWeather's lobbying against free public weather data.

Mick West analyzes the Navy "Go Fast" UFO footage and shows with simple trigonometry and the data overlay that the object is slow and high up, consistent with a balloon. He explains how parallax makes it look fast and argues the original TV claims were wrong.

A short BicycleDutch episode showing how people with disabilities use Dutch cycle tracks on hand-cycles, tricycles and mobility scooters.

Designer Thomas Thwaites describes his attempt to build a toaster from scratch, from mining ore and deriving plastic from oil. It is a short TED talk on how much civilization a simple object depends on.

Not Just Bikes explains Dutch bicycle-only roads, which let people travel long distances in and out of cities with almost no car interaction. It shows how this changes cycling from a chore into something enjoyable.

Folk musician Peter Mulvey performs Vlad the Astrophysicist, a spoken-word style song that touches on why civilizations may never meet across space and time.

A critique of the HD remaster of Buffy the Vampire Slayer, walking through cropping, color and effects problems that damaged the original look. It also advises which versions to buy.

John Oliver's Last Week Tonight segment on Sinclair Broadcast Group, the largest owner of US local TV stations, and how it injects political content and scripted must-run segments into local news.

John Oliver's Last Week Tonight segment on civil asset forfeiture, the process by which police can seize property they suspect is tied to crime. It explains how the property itself is put on trial and how departments profit.

A Last Week Tonight segment on how tobacco companies sustain profits by pushing sales overseas. It covers suits against countries like Australia over plain packaging through trade-deal arbitration.

John Oliver's Last Week Tonight segment on state lotteries. It argues that the claim that lotteries fund education is misleading, because the money is fungible and often diverted to general funds.

A Last Week Tonight segment on the US opioid epidemic, tracing how prescription painkillers fed addiction and heroin use. It is the first of three episodes the show devoted to the crisis.

John Oliver's Last Week Tonight segment on municipal violations. It shows how small fines and fees escalate for people who cannot pay and how private probation and ticket revenue can ruin lives.

A Last Week Tonight segment on the US nuclear arsenal and how poorly it is maintained and secured. It covers weapons accidents, outdated launch protocols and security problems.

John Oliver's Last Week Tonight segment on PFAS, the 'forever chemicals' linked to health problems. It covers their widespread use in products like nonstick coatings and repellent fabrics and the limits of regulation.

John Oliver's Last Week Tonight segment on how media outlets report incomplete or untrue findings as settled science. It covers sensational headlines, small studies and pressure on researchers.

John Oliver's Last Week Tonight segment on payday loans and predatory lending, covering how they trap borrowers and target the elderly and military. It features Sarah Silverman.

A short Last Week Tonight segment where John Oliver stages a statistically representative climate debate, with Bill Nye facing a crowd of dissenters. It satirizes false balance in media coverage.

A John Oliver Last Week Tonight segment on native advertising, showing how ads are disguised as editorial content in news media, including BuzzFeed and major newspapers.

John Oliver's Last Week Tonight segment on cities spending public money on privately owned sports stadiums, including how tax-exempt municipal bonds subsidize them.