From why spicy isn't a taste, to how long it takes a comet to form, we've gone in search of the answers to the questions you've been sending in. We investigate whether the Internet is immune to a breakdown, if a person dreams under anaesthetic, why days are divided into 24 hours, and could an explosive stop a storm? Plus, news of a new cancer therapy that's got everyone talking, and how to recycle wasted energy... Like this podcast? Please help us by
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