US blocks Starlink in Ukraine, and a Parkinson's blood test

Coming up, the US places restrictions on Starlink in Ukraine, and MI5 chief Sir Ken McCallum warns that AI is accelerating cyber threats from Russia. Plus, an electronic sensor that can help detect Parkinson's disease, the health of a generation raised on sugar rations, and why dogs can understand our words and intonation. Like this podcast? Please help us by supporting the Naked Scientists (thenakedscientists.com/donate)