H. pylori is a common bacteria that may sometimes cause pain and may lead to ulcers or stomach cancer. Learn about risk factors, complications, and more.
Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the ...
CD4(+) T helper (T(H)) cells have crucial roles in orchestrating adaptive immune responses. T(H)2 cells control immunity to extracellular parasites and all forms ...
Thermonuclear bomb, also called hydrogen bomb, or H-bomb, weapon whose enormous explosive power results from an uncontrolled ...
Subtypes are named by combining the H and N numbers – e.g., A(H1N1), A( H3N2). Click on the image to enlarge the picture. resize iconView ...
As global tensions continue to rise over North Korea's nuclear weapons program, here's what to know about hydrogen bombs and atomic ...
First, there are three types of frames. I (Intra) frames, or keyframes. These frame do not reference any other frames. They are standalone, and ...
Hydrogen bonding is a special type of dipole-dipole attraction between molecules, not a covalent bond to a hydrogen atom. It results from the attractive force ...
pylori) infection occurs when H. pylori bacteria infect your stomach. This usually happens during childhood. A common cause of peptic ulcers, H.
H. pylori (Helicobacter pylori) is passed from person to person by contaminated feces in food or water and poor hygiene practices. Learn about ...