Leonardo da Vinci: Pathfinder of Science (Immortals of Science) by Henry S. Gillette (Purple House Press) Clarkson Potter Originally from Russia

Originally from Russia

When a young girl sets out to visit her ailing grandmother

Herbal Vinegars

Try your hand at stitching on black Aida cloth with the impressive Aurora

Leonardo da Vinci: Pathfinder of Science (Immortals of Science) by Henry S. Gillette (Purple House Press) Clarkson Potter Originally from RussiaThis biography is the story of Leonardo da Vinci as a scientist, for his extraordinary vision concerning scientific ideas created an impact that is felt in the world today. Many of Leonardo's ideas were in advance of his own time; they include a flying machine, a tank, a rapid firing gun, and a parabolic compass. Leonardo's invention of an irrigation system can be said to be the start of the study of hydraulics, and his ideas concerning optics,