Beirut explosion: What is ammonium nitrate and what makes it dangerous? | Wednesday, August 5 2020

The likely cause of a devastating explosion in Beirut appears to be thousands of tonnes of ammonium nitrate that Lebanon’s prime minister says was left lying unsecured in a warehouse for six years. The chemical is commonly used for fertiliser.. So, what needs to go wrong to cause a disaster like this one? Plus, Nasa astronauts speak of their surprise at splashdown, Google+ users could receive $12 and scientists discover eleven new colonies of emperor penguins.

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