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Bora Zivkovic is the Blog Editor at Scientific American, chronobiologist, biology teacher, organizer of ScienceOnline conferences and editor of Open Laboratory anthologies of best science writing on the Web. Follow on Twitter @boraz.
Bora Zivkovic is the Blog Editor at Scientific American, chronobiologist, biology teacher, organizer of ScienceOnline conferences and editor of Open Laboratory anthologies of best science writing on the Web. Follow on Twitter @boraz.
Image of the Week #70, November 27th, 2012:
From: Starving to be Social: The Odd Life of Dictyostelium Slime Molds by Alex Wild at Compound Eye.
Source: Alex Wild – a Scientific American exclusive!
The slime mold Dictyostelium discoideum has long been an important partner to scientists studying the evolution of multicellular life. The organism alternates between an independent, single cell phase and a complex conglomerate where cells cooperate to form fruiting bodies, as seen here.
This research colony, from the laboratory of Joan Strassmann and David Queller at Washington University in St. Louis, is rendered more colorful by photographing it in front of a sheet of pink printer paper.
About the Author: Bora Zivkovic is the Blog Editor at Scientific American, chronobiologist, biology teacher, organizer of ScienceOnline conferences and editor of Open Laboratory anthologies of best science writing on the Web. Follow on Twitter @boraz.
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What's So Hard About Research?![Figure 1. Plot of the locations of the languages in the sample. Dark circles represent languages with ejectives, clear circles represent those without ejectives. Clusters of languages with ejectives are highlighted with white rectangles. For illustrative purposes only. Inset: Lat-long plot of polygons exceeding 1500 m in elevation. Adapted from Figure 4 in [8]. The six major inhabitable areas of high elevation are highlighted via ellipses: (1) North American cordillera (2) Andes (3) Southern African plateau (4) East African rift (5) Caucasus and Javakheti plateau (6) Tibetan plateau and adjacent regions. doi:10.1371/journal.pone.0065275.g001](http://blogs.scientificamerican.com/anthropology-in-practice/wp-content/blogs.dir/8/files/2013/06/journal.pone_.0065275.g0011.png "journal.pone.0065275.g001")
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