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 ...

Microsoft’s MSFT-2.58%decrease; red down pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the ...

Sleep disorders are ongoing problems that make it hard to sleep well and can lead to daytime tiredness, mood changes, and low concentration. Common sleep disorders include insomnia, sleep apnea, ...

COPD makes it hard to breathe in as much air as you need. And without enough oxygen, you may have other problems. Fortunately, there are simple things you can do. Stop smoking, exercise, and closely ...