Latest Albert Feng Stories
Researchers have discovered that a frog that lives near noisy springs in central China can tune its ears to different sound frequencies, much like the tuner on a radio can shift from one frequency to another.
Most female frogs donâ€™t call; most lack or have only rudimentary vocal cords. A typical female selects a mate from a chorus of males and then â€“ silently â€“ signals her beau. But the female concave-eared torrent frog, Odorrana tormota, has a more direct method of declaring her interest: She emits a high-pitched chirp that to the human ear sounds like that of a bird.
Bats, whales and dolphins use it to communicate. Baby rodents call their mothers with it and now a rare Chinese frog has shown it can hear and respond to ultrasounds, scientists said on Wednesday.
- In medieval musical notation, a sign or neume denoting a shake or trill.