Weighing 23 000 tonnes and standing at nearly 30 metres tall, ITER will be an impressive sight to behold. This nuclear fusion reactor will sit at the heart of a 180-hectare site, together with ...

‘The odds are not in our favour’: who sets the Doomsday Clock – and what can they tell us about the future of humanity? With the war on Iran, Ukraine, AI and climate breakdown increasing the ...

An iron nail is placed in a solution of blue copper(II) sulfate. Over time, a brown solid appears and the solution becomes colourless. This is because copper and a solution of iron(II) sulfate forms.

1 mol is the amount of substance that contains the same number of particles as there are atoms in 12.0 g of carbon-12.