Osmium is extremely rare and expensive. It is the densest chemical element, rivals diamond as being the least compressible of all known substances & has a distinctive 'pong' according to Allan Blackman in ep 55 of Elemental.

Osmium is extremely rare and expensive. It is the densest chemical element, rivals diamond as being the least compressible of all known substances &amp; has a distinctive 'pong' according to Allan Blackman in ep 55 of Elemental.

Osmium - heavyweight champion of the elements

Dr Claire Concannon follows scientists into the bush, over rivers, back to their labs and many places in-between to cover the most fascinating research being done in Aotearoa New Zealand.

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Osmium - heavyweight champion of the elements

Osmium - heavyweight champion of the elements