Alcohol can increase your risk of cancer, but it can also prevent some heart attacks. Here's the complicated truth.

Opposite polar ends of molecules attract and hold one molecule to another. Alcohol has one O–H bond which is polar, but a large portion of the molecule is made up of C–H bonds which are nonpolar.

The water molecule has positive and negative charges so it can attract and dissolve the color and sugar pretty well. The alcohol molecules don’t have as many positive and negative areas as the water.

However, the solubility decreases as the length of the alcohol molecule gets longer, so butanol is less soluble than propanol. It may not mix easily, and two distinct layers might be left in the ...

The tourists are thought to have fallen ill after drinking alcohol laced with the deadly chemical about a week ago in the backpacking town of Vang Vieng. But methanol poisoning is has not yet been ...