intelligence

A short BBC clip narrated by David Attenborough showing crows in Japan using city traffic to crack nuts, dropping them at intersections and retrieving them when the light changes.

A BBC Earth clip from The Hunt showing Portia jumping spiders, which leap many times their body length and ambush prey larger than themselves.

BBC Earth shows killer whales working as a pod to create waves that wash seals off ice floes, with the producer explaining how the crew captured behavior once thought a myth.

Dominion is a two-hour documentary using drones and hidden cameras to expose conditions in animal agriculture, including food, clothing, entertainment and research. It questions humanity's dominion over animals.

A 1953 US Navy training film explaining the basic mechanisms in mechanical fire control computers aboard ships. It shows how gears, differentials and cams solved mathematical problems in permanent mechanical form.

A condensed film of Dick Proenneke's footage of building a cabin and living alone in the Alaskan wilderness, using hand tools and local materials. It draws on the 8mm films he shot himself.

A compilation of the 1977 BBC series The Secret War, a documentary on British scientific and technical efforts in WWII, including radar, German navigation beams and V-weapons. It features interviews with people who were there, including Albert Speer.

Ben Anderson's VICE documentary shows embedded reporting on Afghan security forces and US Marines in Helmand during the troop drawdown, exposing incompetence, drug abuse and corruption.

A clip from Attenborough's Life of Mammals following a San tribesman in the Kalahari on an eight-hour persistence hunt, running down a kudu through harsh heat. It shows tracking, endurance running and the hunter's reaction after the kill.

Part one of Montemayor's animated-map documentary on the Battle of Midway, told using only the information available to the Japanese side. It focuses on Nagumo's dilemma.

The first part of Dmitry Vasyukov's four-part Russian documentary series about trappers and villagers living in the Siberian taiga. This episode follows spring life along the Yenisei, with hunting, fishing and subsistence in harsh surroundings.

Fools & Dreamers is a 30-minute documentary about Hinewai Nature Reserve in New Zealand, where botanist Hugh Wilson let gorse grow as a nurse canopy to regenerate native forest. It shows the results after 30 years and the local skepticism he faced.

A New York Times Opinion documentary tracing Soviet and KGB disinformation, from the 1980s AIDS origin hoax to modern campaigns like Pizzagate. It features former KGB officers and the people who tried to counter the lies.

An episode of Gwynne Dyer's 1983 documentary series War, about how military basic training turns recruits into soldiers. It covers the psychological side of conditioning.

A NOVA documentary with neuroscientist Heather Berlin exploring the subconscious and what drives our decisions. It uses sleepwalking, anesthesia, improvised rap in an MRI and game theory to probe how much of the brain's work is hidden.

An animated account of Day 1 of the Desert Storm air war on 17 January 1991, covering the 2,775 sorties flown against Iraqi strategic targets in the first 24 hours.

A very long, detailed look at the A4/V2 rocket turbopump, the steam-turbine-driven twin propellant pump system. It covers the peroxide and permanganate catalysis that drives the turbine. This is part 1 of a series on V2 components.

A 2017 documentary filmed at the Santa Fe Institute in which novelist Cormac McCarthy talks with SFI's David Krakauer. They discuss isolation, mathematics, character and the nature of the unconscious.

Kedi is a feature documentary following seven street cats of Istanbul and the people who care for them. It portrays the relationship between the city and its cats.

A very long video essay by Shaun on the decisions and motivations behind the atomic bombings of Hiroshima and Nagasaki, with a detailed timeline and argument that they were not militarily necessary.

Machine Thinking tells the story of the Cold War Heavy Press Program, the giant forging presses that make parts for aircraft, missiles and turbines.

Neil Halloran's animated, data-driven documentary visualizes the human cost of World War II and compares it with other wars and the trend toward fewer war deaths in recent decades.

A three-minute clip from BBC's Planet Earth narrated by David Attenborough about Cordyceps, the fungus that infects insects and takes over their behavior. It shows an infected ant and its demise.

A 1973 NBC News documentary on the US nerve gas arsenal, covering leaks in Okinawa, a Utah test that killed thousands of sheep, and the long-term hazards of storage sites. It won an Emmy.

A short BBC clip in which David Attenborough shows a lyrebird imitating sounds, including camera shutters, car alarms and chainsaws. It comes from the BBC natural history series Life on Earth.

A short BBC Earth clip from David Attenborough's Life of Birds showing a lyrebird imitating sounds, including a chainsaw and camera shutter, so accurately it is hard to tell from the real thing.

Tod's Workshop fires full-weight medieval arrows from a 160lb English warbow at reproduced medieval armour. Armour curator Dr Tobias Capwell, an archer and bowyer give historical context and discuss the results.

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.

First episode of the Norwegian documentary series Hjernevask, in which Harald Eia interviews researchers on the nature versus nurture debate. It focuses on the gender equality paradox and gender differences in career choice.

A BBC Weird Nature clip about vervet monkeys in the Caribbean that drink alcohol, and how they split into heavy drinkers, social drinkers and teetotalers.

Destin Sandlin of Smarter Every Day documents boarding a US Navy nuclear submarine in the Arctic during the ICEX 2020 under-ice exercise. It is the first of a series on life aboard a fast attack submarine.

Atrocity Guide covers the 1965 dolphin experiments of Dr. John C. Lilly and Margaret Howe, who tried to teach dolphins English. It traces the bizarre methods and Lilly's later drug-fueled beliefs.

A two-minute clip from the documentary The Fog of War in which Robert McNamara recalls Fidel Castro explaining how close the world came to nuclear war during the Cuban Missile Crisis.

A VICE report from 2011 in which Suroosh Alvi revisits the gun markets in Pakistan's tribal areas, a stronghold of the Taliban. It shows weapons being made and sold by hand and a country described as a powder keg.

A clip from Channel 4's Inside Nature's Giants in which Richard Dawkins shows the recurrent laryngeal nerve of the giraffe during a dissection. The nerve takes a long detour down the neck and back up.

A BBC Earth clip from The Hunt showing an octopus species from northern Australia that leaves the water at low tide to hunt crabs on land.

A clip from BBC's Last Chance to See in which Stephen Fry and Mark Carwardine meet Sirocco, a kakapo, who famously tries to mate with Carwardine's head. The kakapo is a critically endangered flightless New Zealand parrot.

An Empire Files documentary by Abby Martin presenting a critical account of the Afghanistan War, from the CIA's role in the 1980s to the stalemate of the 2010s and 2020. It argues the war was driven by imperial interests.

A short Discovery nature clip from North America showing a red fox listening for field mice under the snow and then diving headfirst to catch them. The narration says the fox uses its hearing and the Earth's magnetic field to aim its jump.

Short BBC Earth clip from Life of Mammals in which David Attenborough shows orangutans imitating human behaviors like washing clothes with soap and using tools.