What is Knot Theory? Solve These Puzzles to Find Out

An unknot (also known as the trivial knot) can be drawn with any number of crossings. Any possible manipulation of a knot diagram that does not fundamentally change the knot can be achieved by a ...
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How Engineers Use Origami to Solve Complex Problems

What began as an art of folding paper is now reshaping technology. This film explores how origami is transforming modern engineering. Six more houses collapsed into the sea in the Outer Banks What ...
Hindustan Times

The poor are driving India’s demographic trends now | Number Theory

The latest results from the Sample Registration System (SRS) mark an important milestone in India's demographic trajectory. Total fertility rate (TFR) - it is the average number of children a woman ...
E!

Why Kendra Licari Decided to Participate in Netflix’s Unknown Number Documentary

Watch: ‘Unknown Number: The High School Catfish’: What Happened to Kendra Licari, Lauryn Licari Unknown Number: The High School Catfish gave Kendra Licari the opportunity to speak for herself. The ...
The New York Times

Black Plastic Kitchen Tools Might Expose You to Toxic Chemicals. Here’s What to Use Instead.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Katie Okamoto Katie Okamoto is an editor focusing on sustainability. She’s ...