Etnad Serolf

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If you can solve one of these 6 major math problems, you'll win a $1 million prize

In 2000, the Clay Mathematics Institute announced the Millennium Prize problems. These were a collection of seven of the most important math problems that remain unsolved.<p>Reflecting the importance of the problems, the Institute offered a $1 million prize to anyone who could provide a rigorous, …

Mathematics

3 Ways to Win at the Mutual Fund Game

Professional stock jockeys face long odds. But if you follow these tips you can harness the winning attributes of successful funds while reining in …

These Stunning Maps Show the Final Months of the First World War

The First World War began just over a century ago, and in 2017, the United States will begin to commemorate its entry into the conflict. These three …

Military History

7 Lessons Sergio Larrain Has Taught Me About Street Photography

CHILE. 1963. Valparaiso / © Sergio Larrain / Magnum PhotosSergio Larrain is a figure in photographic history who isn’t well-known, and is a bit of a …

Street Photography

The best houseplants to clean the air in your home, as recommended by NASA

Easy to care for, resilient, and a quick way to inject some nature into your living room - no wonder houseplants have recently made a comeback. But did you know they also clean the air in your home? A NASA study found that a plethora of plants neutralise the chemicals found in furniture, household …

Plants

19 interview questions that are designed to trick you

But while they may seem simple — that's the point — some are actually designed to get you to reveal information you may have been trying to conceal. In other words: they're trick questions.<p>"To uncover areas that may reflect inconsistencies, hiring managers sometimes ask these tricky questions," …

Employment