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Why a US city is searching for mass graves

Nearly 100 years ago, a white mob destroyed an American neighborhood called “Black Wall Street,” murdering an estimated 300 people in Tulsa, Oklahoma. That incident — known as the 1921 Tulsa Race Massacre — has been largely left out of US history books. Today, a century later, the city still has a lot of questions. … Read the rest

How to build a solar microscope

How to build a solar microscope. Today, we take for granted the instruments that let us look at tiny things in great detail. But back in the 18th century, the microscope was the hottest party trick in town.

Back in those days, English intellectuals would throw friendly social gatherings known as science parties. In genteel

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How to tell if your computer has been tampered with

Whether you’re in an open office where colleagues regularly wander past, or live somewhere—like a college dorm—where you may feel comfortable leaving your laptop unattended in the presence of relative strangers, it can be all too easy for someone else to sneak a look at your computer.

If you want to keep your device secure

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4 Ways to Make Your Business More Eco-Friendly

4 Ways to Make Your Business More Eco-Friendly. Going green isn’t only better for the environment — it can also be beneficial for your business’s bottom line. Pivoting towards more eco-friendly processes can save your company money, and it can also add to the list of things that set you apart from your competition. If … Read the rest