The progress in AI over the past decade is beginning to suggest answers to some of our deepest questions about human intelligence. Below, Tom Griffiths shares five key insights from his new book, The ...

Baez called for the development of new mathematics — he called it “green” math — to better capture the workings of Earth’s biosphere and climate. For his part, he sought to apply category theory, a ...

After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He ...

Last month the U.S. Energy Secretary discussed the state of the global energy sector, including a growing divergence between American and European policies, with WSJ Deputy Editor in Chief David Crow.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This webpage contains the slides, handouts and homeowork assignments for the course Proof Theory of Modal Logic, which will take place within the 5th Tsinghua Logic Summer School, organized by the ...