The Rest Is Science

Michael Stevens shares a vintage 1900s telegram codebook, explaining how Latin abbreviations saved users money on word-counted messages and tracing the history of the telegraph.

Hannah Fry and Michael Stevens explore the NASA twin study featuring astronauts Scott and Mark Kelly, testing Einstein’s time dilation theory in real life.

Hannah Fry investigates the collagen supplement industry, explaining that while the pills are derived from animal waste and offer only marginal…

Hosts Michael Stevens and Hannah Fry investigate the smallest physical sensation humans can detect, debunking unsourced internet myths about sensory thresholds.

Hannah Fry and Michael Stevens explore a visualization showing that the human egg cell sits exactly midway between the Planck length and the observable universe.

Hannah Fry and Michael Stevens explore misophonia, the intense anger triggered by specific sounds like chewing.

Hosts Michael Stevens and Hannah Frye explore the Sapir-Whorf hypothesis, discussing how language shapes perception through examples like color naming and cultural identity.

Hannah Fry and Michael Stevens explore the fastest, cheapest, and worst ways to reach space, highlighting a 1957 nuclear test that launched a manhole cover at 150,000 mph.

In this episode of The Rest Is Science, Michael Stevens shares his collection of novelty watches, including a "Now" watch, a radian-based timepiece, and a vintage 1995 Apple Watch.

Hosts Michael Stevens and Hannah Fry explore the science behind GLP-1 weight-loss drugs like Ozempic.

Hannah Fry shares findings from an Arctic expedition, explaining how fresh water trapped under sea ice protects the North Pole and influences global climate.

Hosts Michael Stevens and Hannah Fry explore the physics of making the Sun appear to wear sunglasses, calculating the massive scale required for such an illusion from Earth to space.

Michael Stevens shares his obsession with organizing 152 Crayola crayons, exploring color theory, the psychological nature of purple, and why cameras fail to capture fluorescent hues.

Hosts Michael Stevens and Hannah Fry critique lithium-ion batteries, comparing their low energy density to substances like butter and body fat.

Hosts Hannah Fry and Michael Stevens explore "no-go zones" where nature thrives without human interference, such as the Korean DMZ, Chernobyl, and Snake Island.

Hannah Fry and Michael Stevens debunk the 2012 Mayan apocalypse myth, revealing it as a misinterpretation of cyclical calendars.