Methane, CH4, is a chemical compound composed of one carbon atom and four hydrogen atoms. It is one of the most common gases in the universe, as well as on Earth. While it is valued for its energy-production capabilities, methane also has the ability to potentially wreak havoc on the Earth's fragile ecosystems.ethane, CH4, is a chemical compound composed of one carbon atom and four hydrogen atoms. It is one of the most common gases in the universe, as well as on Earth. While it is valued for its energy-production capabilities, methane also has the ability to potentially wreak havoc on the Earth's fragile ecosystems.
Symptoms of Palindromic rheumatism. The list of signs and symptoms mentioned in various sources for Palindromic rheumatism includes the 6 symptoms listed below: Joint pain. Joint swelling. Joint stiffness. Joint warmth. Skin nodules. Joint redness.
Arthritic disorders like lupus and rheumatoid arthritis can affect other organs in the body, leading to a variety of symptoms. Symptoms may include: 1  Inability to use the hand or walk. 2  Stiffness, which may be worse in the morning, or after use. 3  Malaise and fatigue. 4  Weight loss. 5  Poor sleep. 6  Muscle aches and pains. 7  Tenderness.