In the first hearing test of live baleen whales, the animals detected much higher frequency sounds than expected, forcing ...

For homeowners worried about snakes invading their property, ultrasonic snake repellents seem like an easy and harmless ...

Scientists tested baleen whale hearing using brain wave recordings. The minke whales responded to ultrasonic sounds, ...

Could rats possess a power that seems ripped from science fiction? Researchers from Harvard University and the University at ...

While other animals like whales, dogs and bats use ultrasound, it's the first recorded case of "defensive ultrasound" being used in frogs. Sound is ... screaming with a high-frequency audio ...

the Alertronic alarm has one or more “loudspeakers” that generate sound waves with a frequency of 19,000 cycles a sec. This is too high-pitched for normal human ears, whose upper limit is ...