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An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey

How high up is the lowest level of ...

The end is inevitable. Eventually, our Sun will grow old and die. When it does, how much of the rest of the Solar System will it take with it? The fate of Earth hangs in the balance… The end will star

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HUMANITY HAS CHANGED AN AWFUL LOT IN THE PAST 58 YEARS. THE MOON? NOT SO MUCH. It was in 1968 that astronauts first drew near the moon, and it will be early this year, if all goes as planned, that a c