Would you drink sewage water? In Science in the News we look at scientists making toilet water safe to drink and what singing whales mean for climate change. We answer your questions on how do bubbles work and why don't atoms touch? And we are joined by Professor Hallux as we take a dive inside your mouth and we look at prosthetic blades with Techno Mum! In our dangerous dan this week its all about the Amazon's deadly vampire fish!
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