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A group in the United States will be measuring the abundance of testate amoebae — single-celled microorganisms surrounded by a shell that persists for thousands of years.

But like most testate amoebae, species of Arcella are hard to tell apart.

Some of America’s most age-worthy red wines are the three testate Cabernet Sauvignon cuvées from Stag’s Leap Wines Cellars in Napa Valley.

So she and her colleagues placed three dead pigs on the ground and measured their effects on the density of testate amoebas in the soil underneath the cadavers.

One-half of the community property goes to the wife whether the husband dies testate or intestate.