The Mac Weekly

Ask Sam the Science Man: Life in plastic – it’s fantastic!

November 20, 2015

We live in an age of plastic. Take a moment to count how many items in your immediate surroundings are made of plastic. Three hundred million tons of plastic is produced every year worldwide, a number that is increasing. Plastics ha...

Ask Sam the Science Man: Why do autumn leaves change color?

October 23, 2015

St. Paul is beautiful in the fall; the trees flourish with richly colored hues and fallen leaves drift through the wind. But why do the leaves change color? How does it work? All summer long, trees in Minnesota flaunt an array ...

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