Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Millions of Americans have allergies. You might sniffle and sneeze as the seasons change or get itchy and teary-eyed when you dust the house or pet an animal. Perhaps you start wheezing when you eat a ...

Ferrari driver Lewis Hamilton set the pace on the final day of the first pre-season test of F1 2026 in Barcelona. Hamilton set the quickest time of the five-day test in the closing minutes of Friday’s ...

David leads the editorial team at CNET. We create expert reviews, articles and video on every aspect of technology, from AI to Zoox. We are thoroughly, proudly human. Expertise A 25-year CNET veteran, ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Diabetes affects how your body makes or uses insulin, which controls blood sugar (glucose). Untreated high blood sugar can damage blood vessels and nerves over time. Get tested if you have symptoms ...

After kicking off under a cloud of secrecy with a private test in Barcelona, Formula 1 2026 had official lift-off with official preseason running in Bahrain. F1 is taking on a huge rule change this ...

A Formula 1 test in January, in the middle of winter, behind closed doors and with no media or fans in sight? Even by F1's occasionally unique standards, it feels a little strange. But as cars quietly ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

What Is a Cortisol Test? A cortisol test measures the level of cortisol in your blood, urine or saliva. Cortisol is a hormone that's important throughout the body for maintaining blood pressure, blood ...

Formula 1's preparations for its new era in 2026 come to a conclusion with one last test in Bahrain as the new racing campaign draws ever nearer. After the private week of running in Barcelona in ...