A mathematical problem that had remained unsolved for more than 10 years in the physics of complex systems has finally been ...

In this paper, we consider the strong instability of standing waves for the Hartree equation with a constant magnetic field.

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What are the most pressing global crises in 2026? Each year, the International Rescue Committee’s (IRC) Emergency Watchlist identifies the countries at greatest risk of new or worsening humanitarian ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it ...

Add Yahoo as a preferred source to see more of our stories on Google. A high school teacher didn't expect a solution when she set a 2,000-year-old Pythagorean Theorem problem in front of her students.

A high school teacher didn't expect a solution when she set a 2,000-year-old Pythagorean Theorem problem in front of her students. Then Calcea Johnson and Ne'Kiya Jackson stepped up to the challenge.

Consider someone who’s perfectly content with their office chair. It’s not ergonomic, it doesn’t have lumbar support, but it works. Then, during a meeting or a visit to a friend’s office, they sit in ...

Sven, a sales leader, received a call from a major customer who was furious. Their order arrived late, the product was damaged, and to top it off, their invoice didn’t reflect the volume discount ...

Nernst's theorem—a general experimental observation presented in 1905 that entropy exchanges tend to zero when the temperature tends to zero—has been directly linked to the second principle of ...