When Do Seasons Change? Astronomical Versus Meteorological Seasons We are in the second week of September and the heatwave in the US is still ongoing. How can we still have a summer heatwave, you might wonder, if it’s fall? Labor Day in the US marks for many the end of summer, some call September 1 the start of fall, while others will point out that September 22 marks […] Brains Julia Schneemann | September 7, 2022 0 Comments
Brain Post | Measuring Mountains How do we know how tall mountains are? Two answers: in modern times GPS measurements can be made to an accuracy of a few centimeters. Before GPS, trigonometry (just like in high school) was used to estimate the height of peaks. Not surprisingly, the British, measurers, organizers, and classifiers of […] Featured Article Chaz Diamond | March 25, 2014 0 Comments
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