Columbia University

New tool expands tracking of personal data on the Web

Navigating the Web gets easier by the day as corporate monitoring of our emails and browsing habits fine-tune the algorithms that serve us personalized ads and recommendations. But convenience comes at a cost. In the wrong ...

date1 hour ago in Internet
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Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. The tools, ...

dateMay 20, 2015 in Archaeology & Fossils
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