Today's after-school activity on this sunny but windy and cold winter day is bubbles! The temperature is too high for bubbles to freeze (bummer?) but with the wind - bubbles are a fun reason to get outside and brave the cold! Since running out to the store to pick up bubble solution in these covid-times is not an option - we made our own! Bubbles occur in nature - in all sorts of ways! But these bubbles are fleeting and hard to reproduce. Find bubbles at the bottoms of waterfalls, coming from snails, on trees, lava flows, where else? Bubbles fascinated the ancient Sumerians who first invented soap by combining ash from plants, goat fat and water. It can be assumed that bubbles entertained people the world over, but they made a strong appearance in 17th century art. Claudine Stella. Les Bouteilles de Savon, 1657. Bibliothèque Municipale de Lyon Frans von Mieris. A boy at the window with rainbow bubbles, 1663 Bubbles have also fascinated scientists for ages: Leonardo da Vinci (1452 –