Saturday, October 27, 2018

Named for mountain biker Dan Olmstead: The Olmstead Loop Trail

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Olmstead Loop Trail near the Northside Elementary School The Olmstead Loop Trail west of the unincorporated community of Cool near A...
Tuesday, August 14, 2018

Dahlia merckii - a Hamburger with Mexican roots

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In 1839, Johann Georg Christian Lehmann —the Director of the Botanical Gardens of Hamburg , Germany—named a newly discovered dahlia species...
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Monday, August 13, 2018

How did the genus Dahlia get its name?

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The scientific name Dahlia is the latinized surname of Andreas Dahl (1751-1789), a Swedist botanist and student of taxonomer Carl Linnaeu...
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Thursday, July 19, 2018

What are megaticks, cripplers and plastics?

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These are terms used by twitchers — bird-watchers particularly interested to collect sightings of rare or showy birds. Whereas birders, in...
Saturday, June 30, 2018

What does “U.S. Ex. Ex.” stand for?

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The term “ U.S. Ex. Ex. ” (or simply “ Ex. Ex. ”) is shorthand for “ U.S. Exploring Expedition .” This 1838-1842 expedition also became kn...
Wednesday, June 6, 2018

What is a horsetail fall?

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Horsetail Falls in the Sierra Nevada (June 3, 2018) A horsetail fall is a waterfall , the water of which maintaining contact with th...
Friday, May 25, 2018

What is the name of our sun's “mother” star?

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Many of us grew up learning that a star comes and goes—ending its “ life ” by supernovae explosion or as a red giant turning into a white d...