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Butterfly wings may rank among the most delicate structures in nature, but they have given researchers powerful inspiration for new technology that doubles production of hydrogen gas – a green fuel of the future – from water and sunlight. The researchers presented their findings here today at the American Chemical Society's (ACS') 243rd National Meeting & Exposition. Tongxiang Fan, Ph.D., who reported on the use of two swallowtail butterflies – Troides aeacus...
- The call or cry of a bird or other animal to its mate or its young.
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