Can You Hear That?
![Can You Hear That? cover. Can You Hear That? cover.](/var/tki-eesoll/storage/images/instructional-series/connected/connected-2016-level-4-getting-the-message/can-you-hear-that/435312-8-eng-NZ/Can-You-Hear-That_resource_image.jpg)
by Rebecca Hawkes
Sounds are all around us, even if we can’t hear them. Human ears are designed to pick up sound waves of a range of different frequencies, but ultrasonic and infrasonic sounds have frequencies that only certain animals can hear.