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.

If you’re sexually active, regular testing for sexually transmitted diseases (STDs) and infections (STIs) is crucial to protect your health and the health of your partners. While you can get tested at ...

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 ...

Kimi Antonelli driving at the Barcelona shakedown Steve Etherington / Mercedes After years of hype and preparation, Formula 1’s new technical era for 2026 got underway this week in Barcelona in ...

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 ...

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, ...

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 ...

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 ...

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 ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. A liver function test checks how ...

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 ...