Science information this week: Burping black holes and radioactive wild boars

This week in science information we’ve seen black holes burping up stars, radioactive Bavarian wild boars and a fairly ingenious use for spent espresso grounds.

So, what about these burping black holes? Astronomers have found that very similar to people — who’re susceptible to a bit of gaseous emission after a hearty meal — black holes emit a considerable amount of stellar stays years after devouring stars, and it could possibly be affecting as much as 50% of them. And if the universe wasn’t messy sufficient already, scientists have recognized a new class of cosmic explosion brighter than 100 billion suns. Nearer to Earth, there are claims that NASA might need discovered alien life on Mars after which unintentionally destroyed it, whereas in our skies we’ve witnessed a fireball meteor turning the sky inexperienced and an uncommon lightning ‘sprite’ — certainly one of nature’s least understood phenomena.

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