How did early humans use sharpened rocks to bring down megafauna 13,000 years ago? Did they throw spears tipped with carefully crafted, razor-sharp rocks called Clovis points? Did they surround and ...
Curiosity rover has a confirmed nemesis on Mars: ventifacts. These razor-sharp rock formations, honed to a deadly degree by the Martian wind, almost put paid to Curiosity’s wheels five years ago. And ...
Clovis points are distinguishable, in part, due to their distinctive flute or channel flake scar near the base, as shown in these replicas. UC Berkeley researchers studied how the points functioned as ...
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