This WebElements site offers lots of fundamental information on osmium, Bohr diagrams and details on its purification.

A site that has it all. This is probably the best place to start looking for information or data on osmium.

Comics featuring osmium, with nice graphics for presentations.

The ChemicalSociety provides a short entry with information on the history, description and uses of osmium.

This site, which is provided for by Chemicool, gives a set of data tables that cover a great many physical and chemical properties of osmium.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Osmium is element number 76 on the periodic table. [2:47]

This site provides excellent information on the transition metal osmium.

Comics featuring osmium, with nice graphics for presentations.