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  1. Are Apple Cores Poisonous? | Science Questions - The Naked Scientists

    Sep 26, 2010 · Apple seeds contain about 700 milligrams of cyanide per kilo, so about 100 grams of apple seeds should be enough to dispatch a 70-kg adult human, but that's an awful lot of apple cores …

  2. Are apple cores poisonous? | Podcasts | Naked Scientists

    Sep 27, 2010 · Apple seeds contain about 700 milligrams of cyanide per kilo, so about 100 grams of apple seeds should be enough to dispatch a 70-kg adult human, but that's an awful lot of apple cores …

  3. Why was cyanide a common poison? | Science Questions

    Feb 4, 2020 · So apple pips, for example, will contain it and apricot pips, but you do need to have a ridiculous amount before it's going to do you any harm. Chris - I think we calculated you'd have to eat …

  4. Mythconception: Newton's Apple | Interviews - The Naked Scientists

    May 9, 2017 · Like all good legends, the story of Newton’s apple tree probably has a root in the truth - watching the apples falling from the trees might have helped to focus his mind on the nature of …

  5. Ancient Antarctic ice cores unlock climate history

    Jul 18, 2025 · A shipment of ancient ice has arrived at the British Antarctic Survey in Cambridge, following its extraction from deep under East Antarctica. These ice cores are a bit like tree-rings: they …

  6. How does the Earth's core stay hot? | Science Questions

    Jul 5, 2016 · But what we can do is use the fact that it's solidifying to work out how hot it is because what we can do is we know how big the core is because we can listen to earthquakes and find out where …

  7. How safe is the wax on apples? | Science Questions

    Feb 7, 2010 · So the apple packers re-apply a commercial grade wax, and one pound of that wax can cover as many as 160,000 pieces of fruit. So in other words, two drops of it on each apple. The …

  8. Where is gravity the strongest? | Science Questions

    Mar 27, 2011 · Where on the Earth would you experience the strongest and weakest gravity?

  9. How does the sun burn in space? | Science Questions

    Feb 14, 2025 · Fusion reactions are only possible at extremely high temperatures, but the core of the Sun is at 15 million degrees Kelvin - which is high enough. Will - So that’s how nuclear fusion works: …

  10. Ancient Antarctic ice cores & is a sense of humour genetic?

    Jul 18, 2025 · A shipment of ancient ice has arrived at the British Antarctic Survey in Cambridge, following its extraction from deep under East Antarctica. These ice cores are a bit like tree-rings: they …