Bismuth sits in a funny spot on the periodic table, at the turning point of what I call "poisoner's corridor." It cleaves the periodic table into two sets of dangerous elements. To the left of and ...

This week's element is bismuth, which is represented by the symbol Bi and the atomic number 83. Known since ancient times, bismuth is one of the first 10 metals discovered by humans, although it ...

Add Yahoo as a preferred source to see more of our stories on Google. Mineral bismuth close-up, full size image above 4K. Bismuth is an unusual element that we don't encounter much in everyday life.

In the final programme in our Elements series, Justin Rowlatt looks at the rarest and oddest members of the periodic table. What are they, and what are they used for? Show more In the final programme ...