In focus – Page 4
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FeatureFreeing the world from chemical weapons
Chemists have helped destroy 97% of declared banned substances, finds Andy Extance, and are pushing to get the rest
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SoundbiteWhy smoke particles turned the sky red
Nina Notman explains why forest fires in Indonesia made the sky look red
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Magnificent moleculesSulfur hexafluoride
A gas widely used in electrical devices with 23,500 times the global warming potential of carbon dioxide
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NewsThank the Nobel prize winners for your mobile phone
Start a lesson with the Nobel prize-winning chemistry involved in lithium-ion batteries
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FeatureConserving the periodic table
How paper conservators preserved the one of the world’s oldest periodic tables
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Feature'Astronauts wanted, no experience required'
Helen Sharman talks science, space travel and advice for budding astronauts
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FeatureSelf-defence classes for our immune system
Andy Extance finds out how vaccines help people fight off germs without getting ill
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FeatureReef-safe sunscreens
Nina Notman investigates the science behind UV-absorbing sunscreens and ‘reef-friendly’ formulations
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Magnificent moleculesHydrochloric acid
The science behind one of the most commonly used laboratory acids
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Magnificent moleculesEthanoic acid
Hayley Bennett reveals the science behind everyone’s favourite household acid
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OpinionWhy chemistry won’t be solved
Kit Chapman explains why chemistry is still a vibrant and relevant subject for study
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