The designs behind practical joke toys
Earlier today I set you these two problems about curious objects. Here they are again with solutions.
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The latest twist in a Canadian medical mystery – podcast
Sing when you’re winning: how karaoke in cars heralds the triumph of Chinese firms
Bankrupt DNA testing firm 23andMe to be purchased for $256m
Bees face new threats from wars, street lights and microplastics, scientists warn
Sea level rise will cause ‘catastrophic inland migration’, scientists warn
Did you solve it? Do you think like an engineer?
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