1 1. Centipedes are the only arthropods with poison claws for subduing prey. 2  2. Centipedes do not have 100 legs. 3  3. Centipedes have one pair of legs per body segment. 4  4. All centipedes are predators. 5  5. Centipedes can live for several years. 6  6. Centipedes can regenerate lost legs. 7  7. Some centipedes care for their young.
Beta Particle Definition: An electron or positron. The term is generally applied to an electron or positron emitted in radioactive beta decay.
Hot Dark Matter. This elusive particle was predicted to exist as early as 1931 by physicist Wolfgang Pauli in order to account for the conservation of momentum and energy in beta decay. Beta decay is a process whereby a free neutron, after roughly 12 minutes, decays into an electron, proton, and an electron anti-neutrino.