TikTok's potential ban in the US is getting closer after the Senate passed the bill calling for its Chinese owner to sell up - and it’s now set to be signed by US President Joe Biden.
Dr Thomas Woolley applied mathematician at Cardiff University, who specialises in mathematical biology, explains the new algorithm they’ve created which makes it easier to find bat roost locations.
Voyager 1: NASA's longest-running spacecraft back in touch with Earth after five months of silence.
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