Mouth Robot

Professor Hideyuki Sawada from Kagawa University has created an utterance robot that manipulates the shape of a mouth and nasal cavity to produce sounds that simulate how humans speak. The robot also uses machine learning to hear its own utterance and improve them over time.

Podcast Of The Week: Pablo Escobar's Hippos on NPR Shortwave

Did you know that Pablo Escobar brought 4 hippos into his estate in Colombia? After he died in 1993, the hippos were left run wild. Fast forward almost 30 years and there are now 400 of them ravaging the ecosystem of the Colombian landscape near the estate. This great episode of shortwave debates the different conservation options that the Colombians are investigating to manage the hippo population, which could reach 500 by 2030 if left unchecked.


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