380 New Zealand lakes are in the spotlight, and Marcus Vandergoes from GNS Science explains what happens to the thousands of sediment cores that will reveal a 1000-year history for each lake.

Sediment cores from the Lakes380 project, which is building a 1000-year history for 10 percent of New Zealand's lakes, are housed at GNS's National Isotope Centre.

The element tin turns up in all sorts of alloys, but tin cans are - mostly - not made from tin, says Prof Allan Blackman from AUT, in ep 87 of Elemental.

Isolating the element thulium was a truly laborious process that took many years, says Prof Allan Blackman from AUT in ep 86 of Elemental.

Named after Thor, the Norse God of Thunder, thorium could provide a cleaner source of nuclear power in the future, says Prof Allan Blackman from AUT in episode 85 of Elemental.

Susie Wood from the Cawthron Institute says that sediment cores & eDNA will reveal a 1000-year history for 380 NZ lakes.

Susie Wood from the Cawthron Institute talks about Lakes 380, which will reveal a 1000-year history of 10 percent of NZ lakes, plus the element terbium.

Thallium is most famous for some infamous poisoned family cases & its appearance in an Agatha Christie novel solved a medical mystery, says Allan Blackman from AUT in ep 84 of Elemental.

A discovery from the chemically prolific Swedish village of Ytterby, terbium produced the green on old TV sets & adds security to Euro notes, says Prof Allan Blackman from AUT in ep 83 of Elemental.

By the end of this year Predator-Free Wellington hopes that the eastern suburbs on the Miramar Peninsula will be free from rat and stoats.