intelligence

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.

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.

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 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.

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.

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.

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 US Air Force film on the Heavy Press Program, which built some of the world's largest metal forging and extrusion presses for aircraft, starting from German presses taken after WWII.

A documentary on North Korean defectors in Seoul and the South Korean intelligence service (NIS, formerly KCIA), including accusations of shady dealings.