They don't yet know whether this chain reaction, described in Science Immunology, hurts or helps the immune system's ability ...

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 ...

Standing around a machine made of wood, plastic tubes, a spatula and an imitation frying pan, a team of Hempfield Area High ...

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.

These ejected neutrons can split other nuclei, which release other neutrons to split still other nuclei, and so on: a self-sustaining chain reaction. If this chain reaction went too fast ...

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 ...