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What Causes the Colour of Gemstones?

Click to enlarge<p>There are a wide range of gemstones used in jewellery, with each having its own characteristic colour – or, in some cases, a range of …

Nick Offerman On Why We Should Build Stuff

The Parks and Recreation star talks about tinkering.<p>On the TV show <i>Parks and Recreation</i>, Nick Offerman plays the whiskey-quaffing, meat-loving, self-reliant Ron Swanson. He’s also a skilled woodworker who grew up working on a farm in Illinois and got into acting by building sets. “Keeping whatever …

Woodworking

The Foam On Your Latte Helps Keep It From Spilling

A few bubbles can go a long way<p>Ever wonder why you always made a mess of your work clothes while carrying a cup of coffee, while your latte-drinking friends generally manage to keep it together? As it turns out, scientists were also interested in finding out why this happened (perhaps they were …

Research shows loss of pollinators increases risk of malnutrition and disease

A new study shows that more than half the people in some developing countries could become newly at risk for malnutrition if crop-pollinating …