Prized since antiquity for its beauty and stability, gold is becoming a darling of the nanotechnology age. Gold nanoparticles can help pinpoint a tumour — and then carry drugs to it. It also holds promise for making extremely efficient solar cells, among other photonic and catalytic applications.
Watch the YouTube movie by Nature
Nature Outlook: Gold reports on what's driving the twenty-first-century gold rush.
Vol. 495, No. 7440 (14 March 2013)
Produced with support from the World Gold Council.