Cities try different tactics to regulate noise

If you live in Waco, Texas, your neighbor maneuvering a gas lawn mower in the middle of the night likely wouldn't violate the decibel limit, which is eight times louder than the typical nighttime limit in the United States.

Korea's 'Hanoks' display acoustic excellence

A "Hanok" is a type of traditional Korean house that embraces both nature and science. And these homes are gaining global recognition as being perfect acoustical settings to highlight the melody of classic Korean musical ...

Vibrating bees tell the state of the hive

Before eating your next meal, pause for a moment to thank the humble honeybee. Farmers of almonds, broccoli, cantaloupe and many other nuts, vegetables and fruits rely heavily on managed honeybees to pollinate their crops ...

Why's there chatter in my Himalayan singing bowl?

A Himalayan singing bowl operates much in the same way as a wine glass—slide your fingertip, or a wooden stick called a puja, around its rim to hear its soothing tones. The bowls, which originated in the Tibetan mountain ...

Researchers reveal acoustic complexity of chickadee songs

Songbirds join humans in the select few animal groups that are "vocal learners"—that is, they must learn from adults of their own species to develop a normal ability to speak (or sing, as the case may be). Because the brain ...

Fighting citrus greening with vibrating orange groves

When a male Asian Citrus Psyllid is looking for a mate, he situates himself on a twig, buzzes his wings to send vibrations along adjacent leaves and branches, and listens for a female's response call. If the call comes, he ...

Eavesdropping on Bering Strait marine mammals

Climate change hasn't been kind to the Arctic Circle, as evidenced by the decrease of seasonal ice in the area and the encroachment of temperate species. One way to monitor impacts to the ecosystem is by observing the changes ...

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