Annual meeting of Quiet Ocean strategy group
…Jesse Ausubel, Ed Urban, and Alan Curry, as well as Dick Pittenger (not in photo). We enjoyed a tour of Ray Dalio’s Exploration Vessel Alucia which was docked at WHOI….
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Worried taxonomists discover quality control
…review articles over the past 25 years. Song and colleagues analyzed mitochondrial COI sequences in grasshoppers (single individuals of four species representing different Acrididae subfamilies) and cave crayfish (119 individuals…
IE Reflections posted
…notice that the 1992 paper “Industrial Ecology: Reflections on a Colloquium” (Proc. Natl. Acad. Sci. USA) has been published online: https://www.pnas.org/cgi/reprint/89/3/879 We also have a copy on our server: https://phe.rockefeller.edu/PDF_FILES/AusubelPNAS1992.pdf…
mtDNA recovery from old bones hints at DNA durability, ubiquity
…else we might usefully recover DNA for species identification. DNA has been recovered from naturally shed feathers, flakes of seal skin at breathing holes in polar ice, hair and saliva…
DNA barcoding re-tested in Madagascar butterflies
…assigning species names to particular clusters for example. Species-level taxonomic revisions or conflicting taxonomies are easily accomodated–this simply involves re-labeling a cluster in the former case, or adding alternate names…
NYC/NJ Aquatic Vertebrate Environmental DNA (eDNA) Project
…fish in coastal New Jersey, USA [open access external link]. ICES J Marine Sci, 2021. Stoeckle MY, Mishu MD, Charlop-Powers Z. Improved Environmental DNA Reference Library Detects Overlooked Marine Fishes in New…
The Continental SuperGrid concept
…have aided and abetted is gaining attention. An AP story in USA Today: https://www.usatoday.com/tech/news/techinnovations/2003-04-10-super-grid_x.htm A Science Daily news item: https://www.sciencedaily.com/releases/2003/03/030320073732.htm The final report for the National Energy Supergrid workshop: https://www.energy.ece.uiuc.edu/SuperGridReportFinal.pdf…
Making Nature Useless
…Nature Useless: Relative Dematerialization & Absolute Peaks. We also post Jesse’s brief (3-page) prepared remarks, On Useless Nature, subsequently published in RealClearScience (18 Sept 2015). Some coverage at https://www.scientificamerican.com/article/can-humans-and-nature-co-exist/ https://reason.com/archives/2014/11/10/making-nature-useless…
Lizard mitochondria converge on snakes–why?
…DNA phylogeny of squamates (snakes and lizards), Castoe and colleagues noted their data placed agamid lizards as sister to snakes, rather than within lizard clade Iguania, as supported by prior…
“Tag sequencing” reveals vast microbial diversity
…amplicons (118,000!) using 454 Life Sciences technology. This approach makes it economical to analyze enormous numbers of sequences from pooled environmental samples and avoids possible selection artifacts due to biases…