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The Difference Between Quartzite & Granite (And Which Is The Better Option)
Two great options for countertop materials are quartzite and granite. Both are durable substances that can hold up in ...
Prehistoric bone tool cache suggests advanced reasoning in early hominins
Now, researchers have uncovered a substantial cache of prehistoric bone tools in the same region dating back 1.5 million years. It's the oldest collection of mass-produced bone tools yet known, ...