12:13
Against Impossible Odds, The Warsaw Ghetto Stopped A Typhus Outbreak
Researchers find public health measures likely stopped a second wave of disease under impossible circumstances.
16:02
The Man Who Couldn’t See Numbers
A rare disease sheds light on how the human brain processes visual information.
12:11
COVID-19 Numbers Are Rising. But How Are Those Numbers Counted?
Changes in how countries are diagnosing infection with the coronavirus can make shifting numbers difficult to interpret.
The Messy Math Of Mammograms
Math biologist Kit Yates breaks down the numbers behind breast cancer screenings—and the serious implications of false positive and negative results.
23:23
The Math Behind Big Decision Making
We encounter numbers in our everyday lives that can influence how we make decisions, from growing algal blooms, to cancer treatment, to courtroom verdicts. But what do these numbers really tell us?
20:02
The Science Of Polling In 2020 And Beyond
Polling is changing as modern technology influences our behaviors. Can we continue to trust it?
17:09
How Geometry Shaped The World
Science historian Amir Alexander shares how Euclidean geometry came to influence politics, art, and the nature of cities.
How Linear Perspective Made Florence’s Famed Dome Possible
Learn how a mirror and a painting helped design Brunelleschi’s Dome in this excerpt from “Proof!” by Amir Alexander.
17:27
Use These Free STEM Resources Made For Teachers, By Teachers
The teachers of today are training the scientists of the future with lessons from SciFri’s Educator Collaborative.
John Urschel Learns The ‘Secret Code’ Of Calculus
Calculus helped retired NFL player John Urschel “move from a world that was static to a world that could move and flow.”