Turning off the pumps Published on October 29, 2024October 28, 2024 by fivecolorssandt@icloud.com Cooling unplugged There are alternatives to the ubiquitous air conditioner. Read More
Attention to detail Published on October 22, 2024October 18, 2024 by fivecolorssandt@icloud.com Small mistakes We compare old and new examples of unforgiving calculations. Read More
Learning the kingdoms Published on October 15, 2024October 14, 2024 by fivecolorssandt@icloud.com Classifying life How do you go about organizing organisms? Read More
Domesticated plants Published on October 6, 2024October 6, 2024 by fivecolorssandt@icloud.com The earliest servant The first plant pressed into human service is probably not the one you’re thinking of. Read More
A difficult problem Published on October 1, 2024October 1, 2024 by fivecolorssandt@icloud.com Too hard The challenge problem was difficult. The interesting question is: why? Read More