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...chemistry, biology, geology, engineering and electronics. However, in my humble opinion, the forever iconic image and work horse of astronomy is the optical telescope. From its inspirational beginnings, being pointed to the sky for the first time in the 1600’s by Galileo Galilei, to the goliaths of modern-day astronomy, such as the Gran Telescopio Canerias with its 10.4...

...chemistry of Mars’s water in the distant past. What’s the reason for studying life in sites on Earth that are analogous with conditions on Mars? This is a question I think about a lot. We know that some areas of Mars have a higher probability of having sustained life in the past. Studying analogue sites on Earth is valuable because it helps us gather information that...

...Chemistry qualification. A Swiss forensic report of the exhumed remains of ex-Palestinian leader Yasser Arafat today suggests polonium poisoning may have been the cause of death – but what is polonium, and why is it so deadly? First, we need to understand the basics of radioactivity. Radioactivity is the (term given to the) emission of certain particles or...