Can astronauts’ bodies actually survive Mars missions?

Organ trouble, radiation concerns and more explained by Keith Siew, a senior research fellow at University College London. Most children can’t name MP and a fifth get political news from TikTok. Elon Musk confirms X will start hiding likes on posts. Also in this episode:

• Natural History Museum’s Simon Loader on the new vegetarian piranha species named after Lord of the Rings villain
• Man who lost four of his fingers fitted with ‘Hero Gauntlet’ by UK firm
• The Insect migration superhighway discovered in Europe

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