These chapters are intact with minor additions. Discovery of Electron, Proton, and Neutron, atomic number, isotopes, and isobars. Thomson's model and its limitations. Rutherford's model and its ...

It took a long time for zero to be recognised as a number at all, let alone one of the most powerful ones – but now it’s ...

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

As of the end of 2024, the most recent reporting period, 123.2 million people had been forced to flee their homes globally due to persecution, conflict, violence, human rights violations or events ...

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