IN 1937, Perrier and Segrè showed that radioactive isotopes of element 43 could be formed by neutron or deuteron bombardment of molybdenum 1. Several chemical properties of element 43 were established ...

“In spite of and, to some extent, because of this selfish and parasitic nature, the movement and accumulation of transposable elements have exerted a strong influence on the evolutionary trajectory of ...

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Jen Hubley Luckwaldt has over 15 years of experience writing and editing personal finance content. Her passion is making information about finance and investing accessible to everyone. Prior to ...