Cédric Villani tackles perplexing problems in mathematical physics, analysis and geometry with rigor, wit and a signature personal style.

These women are trailblazers inspiring a new generation of girls to follow their lead and change the ratio in STEM (science, math, engineering and tech).

Conrad Wolfram runs the worldwide arm of Wolfram Research, the mathematical lab behind the cutting-edge knowledge engine Wolfram Alpha.

The joy of a new semester: picking classes you never knew existed. These are talks we wish were courses.

Want a different perspective of the world? Get a better, more friendly grasp of statistics -- one of the most understood and misused tools in modern society.

A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury. Fortunately, a strange little man appeared and magically performed the feat. Unfortunately, you promised him your first-born child in exchange for his help — and today he's come to collect. Can you figure out how to outsmart the man an...

Scott Rickard is passionate about mathematics, music -- and educating the next generation of scientists and mathematicians.

Eduardo Sáenz de Cabezón links science with humor and stories.

Eugenia Cheng devotes her life to mathematics, the piano and helping people.

Radio host Adam Spencer fills Sydney's drive-time mornings with smart math and science talk.

Robert Lang merges mathematics with aesthetics to fold elegant modern origami. His scientific approach helps him make folds once thought impossible -- and has secured his place as one of the first great Western masters of the art.

In his work in applied mathematics, Steven Strogatz studies the way math and biology intersect.

In 2016, at age 13, Anushka Naiknaware was the youngest winner of the Google Science Fair, with her invention of a clever new bandage that tells caregivers when it needs to be changed.

Hannah Fry researches the trends in our civilization and ways we can forecast its future.

Alex Rosenthal takes everyday experiences and turns them into mind-bending puzzles.

Mohamad Jebara is the founder and CEO of Mathspace, an education technology product that provides students with guided feedback through the mathematics curriculum.

Julian Assange serves as spokesperson for WikiLeaks.

What a year! Here are the talks you enjoyed the most from 2015.

Olivia Arthur is a London-based photographer known for her work examining people and their personal and cultural identities.

Erez Lieberman Aiden pursues a broad range of research interests, spanning genomics, linguistics, mathematics ...

After astonishing success as a mathematician, code breaker and billionaire hedge fund manager, Jim Simons is mastering yet another field: philanthropy.

Miguel Goncalves is an investor who believes sustainable finance can be used to address major global problems.

BCG's Sylvain Duranton thinks that only human input can save us from a high-tech bureaucracy.

Marvin Minsky is one of the great pioneers of artificial intelligence -- and using computing metaphors to understand the human mind. His contributions to mathematics, robotics and computational linguistics are legendary and far-reaching.

Brian Greene is perhaps the best-known proponent of superstring theory, the idea that minuscule strands of energy vibrating in a higher dimensional space-time create every particle and force in the universe.

Alex Wissner-Gross applies science and engineering principles to big (and diverse) questions, like: "What is the equation for intelligence?" and "What's the best way to raise awareness about climate change?"

Craig Costello uses mathematics to secure the digital world, both against the threats that exist today and those that may exist in the future.

When TED asked Hannah Fry to write a book on the mathematics of finding true love, Fry happened to be — of all places — on her honeymoon. “[My husband and I] have been together for a really long time, so the whole newlywed thing didn't quite apply,” she says. “But I did feel like I was in a fortunate position in that I have experienced al...

Max Little is a mathematician whose research includes a breakthrough technique to monitor – and potentially screen for – Parkinson's disease through simple voice recordings.

An early employee at Google, Matt Cutts works to modernize the US government as an administrator at U.S. Digital Service (USDS).