We speak to the European Space Agency about the Eutelsat Quantum, with on-board software that can be reconfigured depending on data demand. Nasa scientists have calculated how thick the crust of Mars is - and the result might surprise you. Could daily Covid-19 testing of pupils be ‘just as effective' at controlling transmission as isolation? Ofcom says telecoms firms must do more to support people struggling to pay mobile and internet bills. Reddit, is that you? Twitter trials suspiciously familiar ‘upvote’ and ‘downvote’ buttons. Millions of English households are suffering from overheating as summers get hotter - what can be done? Newly-hatched pterosaurs may have been able to fly fresh out of the egg - with better flight acrobatics than adults.

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