Create a stunning rainbow-colored flame using safe, simple materials. This fun science experiment is perfect for learning about chemistry while enjoying a mesmerizing display of vibrant fire colors.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of ...

Standardized, repeatable testing is central to all 1,500-plus reviews we publish annually. Here's how we test every desktop PC that hits the bench at PC Labs. From the laptops on your desk to ...

Tire pressure monitoring sensors (TPMS) work by constantly measuring the air pressure within all four of your tires, then relaying that data to your car's computer. If the system is unable to measure ...

An experimental flu test could detect the virus right on the tip of your tongue. Researchers in Germany have potentially discovered a new way to spot influenza through an edible test, potentially like ...

Cold nights are back, budgets feel tight, and stoves work harder. A tiny daily habit could change your comfort and costs. We ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Your Apple Watch Can Once Again Measure Blood Oxygen Levels. Here's How The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a year ...

Design World is thrilled to announce the 2025 LEAP Awards winners! LEAP stands for Leadership in Engineering Achievement Program and celebrates innovative engineering achievements in product and ...

The herpes simplex virus (HSV) antibodies test is a type of herpes simplex test that determines whether or not you’ve ever been exposed to this virus. Specifically, it’s a blood test that looks for ...

What Is an Anion Gap? The anion gap test measures anion gap (sometimes called serum anion gap) or how much acid is in your blood. Acid levels that are higher or lower than normal can tip your doctor ...