If UltraSound Machines Break Down

If ultrasound machines of the world all break down We had better make friends with nocturnal bats.brown. They use ultrasound to locate and navigate There is one hanging by my west garden gate Vampire bats could help us diagnose disease Be polite and make sure you use thank you and please Nurses and doctors will have to be trained to be kind. And learn how to communicate with a bat’s interesting mind.