Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly ...

President Trump threatened “big problems” for China Saturday if they deliver air defense systems to Tehran while the US is locked in a war with Iran. “If China does that, China is gonna have big ...

The Samsung Galaxy S26 series hit the market a bit earlier this year, and while it hasn’t been out for long, there have been a few issues reported already. Most of the problems have actually been ...

Problem difficulty and expertise modulate planning performance in a virtual embodied task Moretti, R., Gordon, J., Maselli, A., & Pezzulo, G. (2025). Problem difficulty and expertise modulate planning ...

Tens of thousands of shoppers are reporting widespread problems using Amazon’s website, according to reports from outage tracker Downdetector. As of 3:45 p.m. ET on Thursday, March 5, reports of ...

In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, left-right. The eye signal means she knows she’s dreaming. Lucid ...

PCWorld reports that Windows 11 update KB5077181 is causing critical boot loops and login failures for users after installation. The problematic February update ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

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 ...

There were ten problems overall across diverse mathematical fields, including stochastic analysis, spectral graph theory, symplectic geometry, and algebraic topology. The researchers tested the ...

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 ...