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At school you receive report cards to keep track of how you’re going and to identify strengths and weaknesses. Report cards are good for students – what about our oceans?

Viruses are the cause of a number of diseases. The flu, chicken pox and most common colds are just a few examples of diseases caused by viral infections.

The starlight that we see at night is only a fraction of what is out there. Stars and galaxies don’t just emit visible light but a range of electromagnetic radiation, including UV radiation, X-rays and radio waves. Most of this radiation is invisible to humans.