A rechargeable battery technology that dates back to the mid-1800s. Liquid-filled lead acid batteries are used in vehicles, but gel-filled units, which came out in the early 1970s, provide the most ...

Several theories have been developed to explain the behaviour of acids and bases. The most notable theories include the Arrhenius concept, the Brønsted-Lowry theory, and the Lewis concept. In the ...

Citric acid is a weak acid that is found naturally in all citrus fruits. Unlike strong acids, weak acids ionize only partially when in solution. If you’ve ever sunk your teeth into a lemon or any ...

Omega-3 fatty acids are a group of three important types of fat: ALA, DHA, and EPA. Getting enough of each type may help keep your retinas, brain, and other parts of your body in healthy function.

Intra-articular injection of hyaluronic acid (IAAH) in knee osteoarthritis (OA) is growing, with literature suggesting a favourable benefit/risk ratio and efficacy that may surpass that of ...

Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.