The end of phlogiston and the discovery of oxygen
Pure air, dephlogisticated air or a new element? Josephy Priestley and Antoine Lavoisier get to grips with new gases in this month’s comic
The discovery of the noble gases
How an extra line in the solar spectrum kicked off a search for the ‘missing metals’ that turned out to be noble gases
The discovery of graphene
Read how Andre Geim’s Friday night experiments led to the discovery of graphene, a single layer of carbon atoms
Catalysts with a gentle touch
Enzymes and metal–organic frameworks share some common features and are being investigated for industrial use. Clare Sansom reports
The battle to lose weight
Losing weight – and not putting it back on – is about much more than willpower. Nina Notman reports on the drugs trying to penetrate the complex metabolic web of hunger and satiety.
