Analysis of some of the first recordings of wintering narwhals showed that they may have the most directional sonar of any species. Understanding how these whales use sound could help predict impacts ...

Although the setup was simple, the demonstration was almost unbelievable. A portable CD player fed a small amplifier that in turn drove a special speaker. I stood beside the 7×7 flat speaker, and yet ...

Sediment cores drawn from four lakes in Guatemala record the distinct direction that ground shaking traveled during a 1976 magnitude 7.5 earthquake that devastated the country, according to ...

New approaches for generating coherent light are of keen interest to the scientific community due to the ever-increasing demand for unique sources tailored to specific applications. In certain fields, ...

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