Researchers pinpoint the hormone responsible for nausea and vomiting in pregnant women. Are we one step closer to a male contraceptive pill? Tesla recalls more than two million cars in the US over autopilot concerns. In this episode:

• Professor Sir Stephen O’Rahilly explains potential treatment for morning sickness
• How to watch the Geminids meteor shower on Thursday night
• Threads will let you push fact-checked posts further down your feed
• Researchers discover ultra-hard material that could rival diamond
• Revealed: the cost of replacing the Tesla Cybertruck’s infamous windscreen wiper

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