Analysis shows elements not acting in nature as previously modeled
New soil samples at Rocky Flats register low for plutonium
Plutonium - Element information, properties and uses | Periodic Table
Plutonium-239 - Wikipedia
Metals : Uranium and Plutonium - StudyHash
Is it true you can hold plutonium or uranium in the palm of your hand with no ill effects? - Quora
Rare mergers of binary neutron stars found as the source of radioactive plutonium-244 in nature
Plutonium, Chemical Element - water, uses, elements, metal, number, name, symbol, property
About Plutonium - Msrblog
Plutonium - Wikipedia
Plutonium (Pu) - Chemical properties, Health and Environmental effects
Facts About Plutonium | Live Science
Everything you need to know about uranium | Popular Science
2 billion-year-old African nuclear reactor proves that Mother Nature still has a few tricks up her sleeve - ExtremeTech
Colors of the different oxidation states of plutonium, in 1 M HClO4. (Pu(V) is in NaClO4 at pH=7, Pu(VII) is in 2.5 M NaOH.). interesting natural forms - Buscar…