Episode 344
Elon Musk has announced he wants to merge SpaceX with another of his companies, xAI, and launch one million satellites into space. One reason - according to Musk - is to eventually harness the entire power of the sun, a sci-fi sounding idea that would make us a Kardashev Type II civilisation. But he also wants the satellites to help power AI and move data centres off Earth. Is his goal realistic… and what would be the consequences?
Parents desperate to get their children to sleep are resorting to melatonin gummies - and it’s proving very effective. Melatonin is a sleep hormone which is only available on prescription in many countries. So some parents are importing them from America - where they can be bought over-the-counter. The trouble is the long-term side effects are not really known - and cases of melatonin overdose in children are on the rise.
Despite global agreement to cut the "overall risk" from pesticides by at least half by 2030 - new data shows we’re not even close. Countries made this commitment at a UN biodiversity meeting in 2022, but so far it’s been almost impossible to measure success. Thanks to a researcher in Germany, we now have a way to track our progress - and it’s not looking good. Could an increase in organic farming be the solution, or CRISPR gene editing?
Hosted by Rowan Hooper and Penny Sarchet, with guests Jonathan O’Callaghan, Alice Klein and Michael Le Page.
To read more about these stories, visit <a href="https://www.newscientist.com/">https://www.newscientist.com/</a> Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

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Why Elon Musk plans to put 1 million satellites in orbit; Should we be giving sleep drugs to kids?; Why global pesticide risk is not improving

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