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.

Also in this episode:

• Hospital patients treated by women doctors are ‘less likely to die’
• Pink Moon 2024: What is it? And why you might not see what you expect
• Struggled with 'I am not a robot' captchas lately? Here’s why they’re getting harder

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