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...type in the solar system, or are they frozen ice and mud? Does Titan have a rocky core overlain directly by an icy mantle, or does it have an ocean below the surface? If so, is it made up of water? This all matters because what we have learnt about Titan from Cassini and Huygens has confirmed that it has an active chemistry, based on methane and ammonia. We know that...

...type of mission (a flyby, orbiter, lander or sample return), and its scientific objectives. This results in a categorisation from I to V, where Category I missions have the lowest contamination risk. Icy worlds are included in all categories except Category I, which is assigned to missions to bodies that have no perceived relevance to chemical evolution or the origin of...

...type of pesticide called Organophosphates? One OU PhD student explains their research... ...Organophosphates exist throughout our environment and consequently, we are all likely to come into contact with these compounds to some extent. Evidence suggests that long-term, low-level exposure to these compounds play a role in psychiatric disorders such as anxiety and...