sonar

Ultrasound Ocean Noises Pose Risk to Marine Life

by Michael Stocker Noise pollution has now become one of the common themes of human-generated impacts on the ocean. Shipping noise, military sonar, and seismic airgun surveys are increasingly becoming part of the public discussion in marine conservation. These noises ...

Ultrasound Ocean Noises Pose Risk to Marine Life

by Michael Stocker Noise pollution has now become one of the common themes of human-generated impacts on the ocean. Shipping noise, military sonar, and seismic airgun surveys are increasingly becoming part of the public discussion in marine conservation. These noises ...

Moths Vibrate Genitals to Avoid Bats

In the air wars between bats and moths, the bugs are fighting back—by shaking their privates. It’s no award-winning dance move, but a new study shows that hawkmoths in Borneo (map) jiggle their junk to produce ultrasound. That ...