The Frequency Below Hearing A tiger's roar peaks at around 18 Hz, just below the threshold of human hearing, which begins at ...

How seabirds navigate across thousands of miles of seemingly featureless ocean is one of nature's mysteries. It is known that seabirds use a range of cues including sight and smell to direct their ...

When North Korea conducted its third nuclear explosion on February 12, the global nuclear police, the Comprehensive Test Ban Treaty Organization, detected it immediately and soon afterward released ...

Infrasound, or audio with a frequency lower than 20 hertz, is all around you, but usually humans are incapable of hearing it. Amherst College sound artist Brian House has been using new technology to ...

New research identifies a scientific reason for that unsettled sensation people sometimes get in basements or old buildings. A new study finds that inaudible sound waves called infrasound may cause ...

Infrasound is very low-frequency sound, below 20 Hertz (Hz), which humans typically can’t hear. It can come from natural sources like storms, or from anthropogenic sources like traffic. Some animals ...

University of Sydney provides funding as a member of The Conversation AU. At the centre of claims about wind farms allegedly causing health problems is the infrasound that wind turbines generate as ...