Mesonychians part II: Andrewsarchus was a hell of a lot weirder than all the books say
The previous article was a brief, cursory introduction to the mesonychians. Time to look at things in a bit more detail...
Source: scienceblogs.com
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DONATE NOW: Second Harvest Backpack Program
Envision Credit Union launched their annual "Envision No Hunger" fundraising initiative earlier this month and will be matching up to $30,000 of all donations through July.
Source: wtxl.com
Silverswords Fail the Species Pair Challenge
Even though the differences appear superficially striking, they do not involve any novel body plans (i.e., no new proteins, new tissues, or new organs).
Source: evolutionnews.org
Mammoth WVH Cancel Tour Dates Due to Positive COVID Cases in Camp
See a statement from Wolfgang Van Halen.
Source: loudwire.com
"Tests for aggregated dispersion: Van Valen's test and a new competitor" by Glen Livingston, David Allingham et al.
Van Valen’s test is usually applied as a two sample test for equality of dispersion for multivariate data. Motivated by a comment of Manly (Van Valen’s test. Encyclopedia of Statistical Sciences, 2006) that “Little is known about the properties of Van Valen’s test” we develop an alternative test and compare the Van Valen test with our alternative robust test in an extensive simulation study. We find that Van Valen’s test does not actually test for equality of variance sums; however, for that null hypothesis it still performs well in terms of closeness to the nominal significance le...
Source: uow.edu.au