Ice ages:

The times in the past when ice sheets or glaciers covered large parts of the earth’s surface. Ice ages last for a few million years and seem to come in cycles. An ice age is often interrupted by shorter, more temperate “interglacial” periods. During the most recent ice age, which…

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Coding 101Monday March 4, 2019

Coding 101

I had a good time rewriting my latest book, HOW TO TALK TO YOUR COMPUTER (now part of HarperCollins’ Let’s Read and Find Out series). I have always been interested in the intersection of kids, education and computers, and I wrote the…

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