1 The head is one of the most common sites of pain in the body. 2  The most common types of headache can be classified as 1) primary, 2) secondary, and 3) cranial neuralgias, facial pain, and other headaches. 3  The most common types of primary headaches are 1) tension, 2) migraine, and 3) cluster.
Gassy signature of habitability spied in the atmosphere of a 'hot Jupiter'. Katharine Sanderson. Carbon dioxide, one of the telltale signs that a planet may be able to support life, has been spotted in the atmosphere of a gas giant orbiting a star 63 light years from Earth.
The composition of Jupiter's interior is mostly the simple molecules hydrogen, in the form of liquid.Under the cloud layers, when the pressure of the interior becomes high enough, the hydrogen of which Jupiter is made changes to liquid hydrogen, which gradually changes further to liquid metallic hydrogen.he composition of Jupiter's interior is mostly the simple molecules hydrogen, in the form of liquid.