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Drinking Licorice Tea Can Cause Hypertensive Emergency

Licorice root extract is not without health risks, according to a case study published this week in the Canadian Medical Association Journal. Demonstration of the main mechanism of action of licorice through inhibition of 11-β-hydroxysteroid dehydrogenase type 2 (11-β-HSD2) in the distal tubules of the kidney. H – hydrogen ion, …

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Researchers Generate Electricity from Americium

Researchers in the United Kingdom have extracted americium from a plutonium stockpile and used the heat generated from this radioactive element to generate enough electric current to light up a small lightbulb. The breakthrough means potential use of americium in radioisotope power systems for missions which would use the heat …

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Archaeologists Find 2,300-Year-Old Bark Shield in England

A unique bark shield from the Iron Age has been discovered by a team of archaeologists from the University of Leicester and elsewhere. Archaeologist Adam Clapton records the Enderby shield in the ground. Image credit: University of Leicester Archaeological Services. The bark shield was found in 2015 at the Iron …

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Researchers Brew Beer with 5,000-Year-Old Yeasts

A multidisciplinary team of scientists has successfully isolated several yeast strains from ancient vessels excavated at archaeological sites in Israel. The researchers then brewed ‘aromatic and flavorful’ beer using the ancient yeast strains. Beer cruse from Tell es-Safi/Gath, Israel. Image credit: Yaniv Berman / Israel Antiquities Authority. “We hypothesized that …

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