difference frequency generation - Modern Sciences

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Only 1% of chemical compounds have been discovered – here’s how we search for others that could change the world

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Fern stems reveal secrets of evolution – how constraints in development can lead to new forms

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Lions have two types of roar – new research

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Researchers created sound that can bend itself through space, reaching only your ear in a crowd

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Researchers created sound that can bend itself through space, reaching only your ear in a crowd

For your ears only. Cinefootage Visuals/iStock via Getty Images Plus Jiaxin Zhong, Penn State and Yun Jing, Penn…

April 10, 2025