Flourless Peanut Butter Chocolate Chip Cookie recipe. Just 5 ingredients and 10 minutes in the oven. #Yum

Flourless Peanut Butter Cookies

Flourless Peanut Butter Chocolate Chip Cookie recipe. Just 5 ingredients and 10 minutes in the oven. #Yum

Osmium twinning / Osmium is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is the densest naturally occurring element, with a density of 22.59 g/cm3 (slightly greater than that of iridium and twice that of lead).

Osmium twinning / Osmium is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is the densest naturally occurring element, with a density of 22.59 g/cm3 (slightly greater than that of iridium and twice that of lead).

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