Garlic contains a chemical called allin, which is converted into another compound, allicin, when you chew a fresh garlic clove. Allicin is an oily chemical that decomposes very rapidly once it is formed, producing an acidic compound that reacts quickly with free radicals, destroying them.
Mercury is the smallest terrestrial planet in the solar system, about a third of the size of Earth. It has a thin atmosphere, which causes it to swing between burning and freezing temperatures. Mercury is also a dense planet, composed mostly of iron and nickel with an iron core.
Mercury. 1  Mercury is the closest planet to the Sun, just 58 million km (36 million miles) or 0.39 AU out, but it is not the hottest planet. 2  Mercury is the smallest planet in our Solar System, and is just slightly larger than the Earthâs moon, and equivalent in size to 0.38 Earths. 3  Diameter: 4,879 km (3,032 miles).