It's common for kids to go to school or the playground by themselves in Switzerland and other wealthy, industrialised countries like Germany, Japan and the Netherlands. That's a striking contrast to some other countries, notably the United States, which just recently passed a federal law to give parents and kids more independence.
Living longer: What do you think about the longevity trend?
The longevity market is booming thanks in part to advances in the science of ageing. What do you think of the idea of significantly extending human lifespan?
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