trials riding

Danny MacAskill tries to destroy carbon fiber bike wheels by riding trials tricks through downtown Glasgow, including on bare rims on concrete.

Ed March rides a Honda C90 through Iran on his journey from Malaysia to the UK, showing the country and its people. He argues Iran is far more welcoming than the press suggests.

Footage from a camera on a Space Shuttle solid rocket booster from liftoff through descent, with audio enhanced by Skywalker Sound from the original camera microphones. The sound is real, not foley.

Psychologist Irving Kirsch gives a distinguished lecture on antidepressant trials and the placebo effect. He argues drug-placebo differences are small outside severe depression.

Short archival footage of a USMC KC-130F Hercules making unarrested landings and takeoffs on the USS Forrestal in 1963. It is the largest and heaviest aircraft to have landed on a carrier, and the tests were judged successful but too risky for routine use.

JJRicks rides in Waymo's fully driverless Level 4 cars in Phoenix with nobody in the front seats, across two long rides. It is the first in a series of such ride videos.

A Ninja Nerd whiteboard lecture on the Moderna, Pfizer/BioNTech and AstraZeneca COVID-19 vaccines. It covers how each works, the preclinical and phase I-III trial process, and Operation Warp Speed.

California Superbike School demonstrates its 'No B.S.' bike, which has fixed handlebars so riders can only steer with body lean. It illustrates how little control that gives compared with countersteering.

FortNine surveys motorcycle airbag technology and explains why airbags have not reached mainstream adoption. It breaks down gear such as the Helite Turtle, Dainese D-Air and Alpinestars Tech-Air.

Rhonda Patrick interviews USC gerontologist Valter Longo about fasting, the fasting-mimicking diet, and their effects on longevity, cancer, and multiple sclerosis. They discuss mechanisms such as IGF-1 and autophagy and clinical trials.

CGP Grey explains jury nullification, a juror's power to acquit despite the law, and why mentioning it can get you struck from jury selection.

A silent PLOS ONE video of New Caledonian crows solving Aesop's Fable puzzles by dropping objects to raise water and reach food. It shows example trials from experiments testing causal understanding of water displacement.

Stuff Made Here builds a handwriting robot and sends its output to a handwriting expert to see whether it can pass as forgery. It walks through the engineering trials and errors along the way.

CGP Grey explains why horses could be ridden and why other animals like zebras and bears were never domesticated for war or riding. It is a follow-up on the topic of animal domestication.

A nutrition-science explainer reviewing the human evidence on whether seed oils cause inflammation. It looks at nine different seed oils, heated oils, and genetic variability, and compares omega-6 intake with saturated fat.

A two-minute BBC Horizon clip demonstrating the McGurk effect, where what you see of a speaker's mouth changes the sound you hear.

A More Perfect Union report from a small Texas town next to a large Bitcoin mining facility, where residents describe constant noise and health problems. It looks at the political and corporate power behind the facility.

Amateur footage of a Japanese coast guard boat riding up and over large tsunami waves after the March 2011 Tohoku earthquake. It is short and unedited.

A John Oliver Last Week Tonight segment on how forensic science used in criminal trials is often unscientific. It looks at unreliable methods and lab malpractice, and ends with a joke about a TV procedural that might change public perception.

Not Just Bikes explains why Swiss trains are considered among the best in Europe and the world, covering frequency, connections and what riding them is like.

Adam Savage builds a Victorian-style rickshaw carriage for Boston Dynamics' Spot robot to pull, with him riding as passenger. The video covers the build and the engineering problems of pairing cutting-edge robotics with vintage transport, such as tuning the payload through Spot's API.