sound waves
Image of the Day: Whistling Caterpillar
Image of the Day: Whistling Caterpillar
The Scientist Staff | Mar 1, 2018
Nessus sphinx hawkmoth larvae make alarm calls using mechanics similar to rocket engines. 
Identifying Wolves by Their Howls
Identifying Wolves by Their Howls
Kate Yandell | Jul 23, 2013
Researchers can tell wolves apart by analyzing the pitch and volume of their vocalizations.
Moving Objects Using Sound
Moving Objects Using Sound
Kate Yandell | Jul 17, 2013
Levitating and manipulating objects using sound waves could help prevent contamination of materials.