A lifetime of noise: what are the costs?

The visible cringe. The reflex to cover your ears. A constant piercing noise can be a horrific experience for a person. Research has shown that noise pollution can negatively impact the health of humans, animals and possibly entire ecosystems. What are the consequences of a lifetime surrounded by noise? Two scientists aim to characterize the costs of chronic noise pollution on the survival, growth and reproductive success of animals over their entire lifetime.

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Be quiet, please – I’m listening for bees

Sounds are everywhere in nature, and are important communication tools for many organisms. Plants may not be the first organisms you’d think of that would rely on sound to assess their environment, but new research shows that flowers can respond to the sound of a nearby buzzing bee by producing sweetened nectar, likely an adaptation that lets them avoid “wasting” resources on nectar production in the absence of hungry pollinators.

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The Sound of Silence: Consequences of Man-made Noise on Humpback Whale Songs

Male humpback whales sing loudly and for long durations during breeding season. A hundred years ago their voices did not have to compete with much man-made noise. These days they contend with underwater drilling, sonar, and the noise of thousands of cargo and passenger ships. This affects how and when they sing. The consequences of these changes are still largely unknown.

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