Visualizing birds: Part 2. Distant clusters, unfinished taxonomy
In 1911, Rutherford proposed correctly that essentially all the mass of an atom is concentrated in a tiny “central charge” (what we now call the nucleus) and that the rest…
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Arthur L. Singer, Jr. “Easy to Forget, and So Hard to Remember”
Arthur L. Singer, Jr., allows us the honor to post his 90-page “East to Forget, and So Hard to Remember,” covering his career at MIT, the Carnegie and Sloan Foundations…
Andy Marshall Foundation seminar on experimentation, intellectual courage and mentorship
For its 2021 Annual Review, the Andrew W. Marshall Foundation presented an hour-long seminar in which Jesse Ausubel speaks briefly on experimentation, Melissa Flagg on intellectual courage, and Dan Patt…
Visualizing birds: 4. Diagnostic differences
In 2004, the American Ornithologists’ Union (AOU) (Banks et al. 45th supplement) recognized most of the smaller-bodied forms of Canada Goose (Branta canadensis) as a separate species, Cackling Goose (B….
eDNA work in progress
We post a Schematic of an eDNA metabarcoding protocol for marine fish. We recently showed that current laboratory protocols optimize sensitivity and reproducibility, especially for more abundant fish populations (ICES…
Make a lasting contribution
…differentiation.” The researchers chose 3 pairs of populations, subspecies, and species in 3 orders of birds that live in Alaska or Russia. The study design had two aims, first, do…
Jesse received the Blue Frontier / Peter Benchley award
On 25 June Jesse received the Blue Frontier / Peter Benchley award for science at the California Academy of Sciences in San Francisco. He used the occasion for “A Call…
RealClear on Peak Farmland
RealClearEnergy’s William Tucker has posted an article about our paper on Peak Farmland.…
Learning about lichens with DNA
In 1867 Swiss botanist Simon Schwendener was the first to recognize that lichens were symbiotic associations of fungi and algae (or, as subsequently discovered, cyanobacteria) (for more info, try this…
Reflecting on the passing of Norton Zinder
Pioneering microbiologist Norton Zinder, a great friend of the Program for the Human Environment, passed away 3 February 2012. Nicholas Wade recapped Norton’s career beautifully for the New York Times….