Career Progressing (03:49)
Dylan befriended Lomax, Rambling Jack Elliott, and Seeger and opened for John Lee Hooker at Gerde's Folk City. The New York Times published a review of Dylan's music.
Dylan's First Album (07:18)
Dylan approached John Hammond about a recording contract with Columbia Records. Young tried to organize a concert in Carnegie Charter Hall for the singer. Listen to recordings of "In the Name of Dyin,'" "Freight Train Blues," "Song to Woody" and "I Am a Man of Constant Sorrow."
Aerodynamic Testing (03:06)
A bobsled must move 20 kilograms of air out of the way every second. Alok Jha enters a wind tunnel to see what that feels like. Designers test the British team's helmets to determine what, if anything, is causing drag.
Olympic Arms Race (01:25)
Back in the studio, host Dara O'Briain and Alok Jha discuss different technologies that Olympic athletes employ as they strive for victory.
Hydrogen-Oxygen and Prince Rupert Drop (04:20)
Mark Miodownik uses high-speed camera to show two explosions in slow motion, enabling viewers to see what actually happens.
Photographing Light (01:06)
Mark Miodownik displays video from an MIT project that is using femtosecond photography to see the movement of light.
Living Forever (04:30)
Prof. Emma Teeling joins Dara O'Briain in the studio to talk about extending lifetimes. She researches whether bats, who have unusually long lives, have a genetic component that gives their cells greater endurance.
Tenacious Bat (01:23)
Dara O'Briain tries unsuccessfully to hold Prof. Teeling's bat, then previews upcoming segments on time-traveling rats and the nature of liquids.
Building a Heart (03:57)
Dr. Doris Taylor builds human hearts using adult stem cells and the protein structure from a pig's heart.
Stem Cells (02:21)
Using locational cues, stem cells figure out what kind of new cells to make and build a new heart on the old framework. Dr. Taylor and her team train them to beat in unison.
Scaffolding, Heart Defects, and Embryonic Stem Cells (02:41)
Dara O'Briain, Helen Czerski and Prof. Emma Teeling discuss Dr. Taylor's artificial heart project. Will it work for patients with genetic heart defects?
Paul Winchell and the Artificial Heart (01:05)
The first person to invent a working artificial heart was Paul Winchell, a ventriloquist and actor. He had once studied medicine, and a conversation with Henry Heimlich restored his interest. Winchell invented the heart, then returned to acting.
Foundational Knowledge (02:13)
Dara O'Briain and Prof. Max Tegmark discuss foundational research and perceptions of time.
Liquid vs. Solid (02:48)
Dara O'Briain and Mark Miodownik display properties of glass and pitch. Some substances appear to be solid when they are really liquid, just with very high viscosity.
Non-Newtonian Fluid (02:55)
A volunteer from the studio audience stirs a non-Newtonian fluid, then punches it quickly. The substance moves smoothly and easily when he stirs slowly, but becomes hard when he punches it.
Thinking About the Future (02:49)
Scientists refer to the human ability to imagine something that hasn't happened as "mental time travel." Prof. David Redish says it may not be uniquely human. His experiment shows rats considering whether the wait for a favorite food is worthwhile.
Reading a Rat's Mind (02:05)
By watching locator cells, Prof. Redish can see not only where a rat is in the maze, but what other locations it is thinking about.
Planning and Evolution (02:09)
In the studio, the Science Club team and guests discuss human exceptionalism and the evolutionary benefits of planning.
Internal Clocks (02:36)
The Science Club team and guests discuss biological clocks. Scientists still don't know exactly why our bodies know to develop and change when they do. They also examine a nonstandard clock and the safety applications of non-Newtonian fluids.
Credits: Adventures in Time: Dara O'Briain's Science Club (Series 2) (00:44)
Credits: Adventures in Time: Dara O'Briain's Science Club (Series 2)
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