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...Open University's Biology qualification. [Small puppy laying in the grass in a park] When an interesting or useful trait is identified in a dog, owners would breed from that dog in the hope of the trait being passed on. Over many rounds of such breeding attempts, especially where two dogs with the same trait are bred with each other, traits became fixed. If you understand...

...Open University's Science courses and qualifications [Orion's nebula] Orion's nebula On a clear evening, look up at the night sky. With luck, from a really dark site, you might see a few thousand stars. With dark-adapted vision you should begin to notice that some stars display distinct colours – some will appear slightly redder and others slightly bluer, for instance....

...opens up the possibilities of it being habitable for life. With missions due to visit the moon in the coming decade, it is an exciting time for astrobiologists. This article explores why Europa might be a target in the search for life, and what the potential might be of finding it there...You might have heard water referred to as a ‘universal solvent’ because of the...