A team of New York University scientists has created a gear mechanism that relies on fluids to generate rotation. The invention holds potential for a new generation of mechanical devices that offer ...

Pericardial effusion is the medical term for fluid buildup in the space around the heart. Treatment can depend on what is causing the fluid to build up. The fluid appears between the membrane sac ...

Can't decide whether to use mineral oil or DOT brake fluid? Here are the differences between the two, and the impact they can ...

Normally, your body is made of about 50%-60% fluid, including water, blood, and lymphatic fluid. When your fluid levels are out of balance (too high or too low), serious health problems can happen.

Brake fluid is one of your car’s many consumable components. Most brake fluids are hygroscopic, meaning they absorb water. The more water it absorbs, the lower the boiling point, which decreases ...

Windshield washer fluid comes in a variety of formulations for every season and driving situation. Choosing the best windshield washer fluid depends on where, when, and what you drive. We rounded up a ...

Embalming fluid is one street name for liquid forms of PCP that dealers dip cigarettes in, but people sometimes use actual embalming fluid for similar mind-altering effects. Phencyclidine (PCP) is an ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I replaced my kitchen ...