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In Their Element

Series 4

Aluminium

Duration: 14 minutes

First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 LW

Available for over a year

Andrea Sella, Professor of Chemistry at UCL, picks five elements that enhance our lives. Today it's aluminium, once fashionable as cutlery but now used in cans, bicycles and tinsel Show more

In Their Element

Series 4

Strontium

Duration: 14 minutes

First broadcast: on BBC Radio 4 LWLatest broadcast: on BBC Radio 4 LW

Available for over a year

Andrea Sella, Professor of Chemistry at UCL, celebrates five elements that enhance our lives. Today he admires how strontium gives us red fireworks and reveals our ancestors' past. Show more