Pollen - Pattison, Darcy; Willis, Peter
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POLLEN: DARWIN'S 130 YEAR PREDICTION Elementary Science - POLLEN How long does it take for science to find an answer to a problem? On January 25, 1862, naturalist Charles Darwin received a box of orchids. One flower, the Madagascar star orchid, fascinated him. It had an 11.5" nectary, the place where flowers make nectar, the sweet liquid that insects and birds eat. How, he wondered, did insects pollinate the orchid? It took 130 years to find the answer. After experiments, he made a prediction. There must be a giant moth with a 11.5" proboscis, a straw-like tongue. Darwin died without ever…mehr

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POLLEN: DARWIN'S 130 YEAR PREDICTION Elementary Science - POLLEN How long does it take for science to find an answer to a problem? On January 25, 1862, naturalist Charles Darwin received a box of orchids. One flower, the Madagascar star orchid, fascinated him. It had an 11.5" nectary, the place where flowers make nectar, the sweet liquid that insects and birds eat. How, he wondered, did insects pollinate the orchid? It took 130 years to find the answer. After experiments, he made a prediction. There must be a giant moth with a 11.5" proboscis, a straw-like tongue. Darwin died without ever seeing the moth, which was catalogued by entomologists in in 1903. But still no one had actually observed the moth pollinating the orchid. In 1992, German entomologist, Lutz Thilo Wasserthal, Ph.D. traveled to Madagascar. By then, the moths were rare. He managed to capture two moths and released them in a cage with the orchid. He captured the first photo of the moth pollinating the flower, as Darwin had predicted 130 years before. Backmatter includes information on the moth, the orchid, Charles Darwin, Lutz Wasserthal. Also included is Wasserthal's original photo taken in 1992. MOMENTS IN SCIENCE COLLECTION This exciting series focuses on small moments in science that made a difference. BURN: Michael Faraday's Candle CLANG! Ernst Chladni's Sound Experiments (2019 NSTA Outstanding Science Trade Book) ECLIPSE: How the 1919 Eclipse Proved Einstein's Theory of General Relativity (Fall, 2019)
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Autorenporträt
Children's book author and indie publisher DARCY PATTISON has written over seventy award-winning fiction and non-fiction books for children. Five books have received starred PW, Kirkus, or BCCB reviews. Awards include the Irma Black Honor award, five NSTA Outstanding Science Trade Books, four Eureka! Nonfiction Honor book (CA Reading Assn.), two Junior Library Guild selections, two CLA Notable Children's Book in Language Arts, a Notable Social Studies Trade Book, a Best STEM Book, an Arkansiana Award, and the Susannah DeBlack Arkansas Children's History Book award. She's the 2007 recipient of the Arkansas Governor's Arts Award for Individual Artist for her work in children's literature. Her books have been translated into ten languages.