A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Apple told users two iPhone vulnerabilities “may have been exploited ...

The SIR 2026 refers to the Special Intensive Revision of electoral rolls conducted by the Election Commission of India (ECI) ahead of the 2026 elections. It is a large-scale update of the voter list, ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence. Here’s how to check them yourself—and what the results mean. Balancing on ...

Can you feel your PC or Mac running hot? We've found the best ways to check processor temps on your Windows PCs and Macs. Palash has been writing about technology (and entertainment) for over a decade ...

Each ChatGPT plan offers different benefits for different users. Paid tiers get early access and fewer usage limits. You may not need to pay, depending on how often you use ChatGPT. OpenAI introduced ...