When birds or insects fly, they displace air with their wings – that is how it works. Maybe sometime at night you have disturbed an owl and heard the flap of its large wings. This sound is a frequency ...

Female moths avoid laying eggs on stressed plants that emit ultrasonic sounds. Instead, they choose silent, healthy plants.

With their proportionately bulky bodies supported by puny wings, many flying insects look about as airworthy as a Mack truck. French Zoologist Antoine Magnan once studied bumblebees for several years, ...