They don't yet know whether this chain reaction, described in Science Immunology, hurts or helps the immune system's ability to fight HIV, but say that understanding it better could lead to ...

Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a ...

This is why it’s called a chain reaction. But everything has to be positioned at just ... which scientists can use as an imaging technique to see at the smallest scales. Science policy: Chicago Pile-1 ...

Chain reaction behind the upcoming polar vortex Like falling dominoes, one change in the weather in a part of the world will have big ramifications thousands of miles away.

Experts warn this growing "space junk" could lead to a catastrophic chain reaction known as the Kessler Syndrome, where debris collisions create more fragments, potentially halting space ...

In most cases, the polymerase chain reaction, or PCR, is their method of choice for quickly generating a sufficient amount of identical genetic material for study and analysis. Prior to the ...