Science Crossword: Equine Emergence
Skip to main content Scientific American November 19, 2024 By Aimee Lucido This crossword is inspired by the December 2024 issue of Scientific American. Read it here . We’d love to hear from you! E-mail us at games@sciam.com to share your experience. 0
Mathematicians Discover a New Kind of Shape That’s All over Nature
How few corners can a shape have and still tile the plane?” mathematician Gábor Domokos asked me over pizza. His deceptively simple question was about the geometry of tilings, also called tessellations—arrangements of shapes, called tiles or cells, that fill a surface with no gaps or overlaps. Humans have a preoccupation with tessellation that dates
December 2024: Science History from 50, 100 and 150 Years Ago
November 19, 2024 3 min read Alcohol in space; basking in the limelight By Mark Fischetti 1974, How Many Aces of Spades?: “After a brief glance at this display most people report seeing three. Actually there are five. Because people expect aces of spades to be black, they tend to miss the atypical red ones.
Math Puzzle: Find the Secret System
The numbers in this triangle are arranged according to a certain system. What would the next row be? In each row n of the triangle, the integers from 1 to n are in alphabetical order. In the next row the number 8 would be added, and because “eight” comes before “five” in alphabetical order, it
Horse Domestication Story Gets a Surprising Rewrite
The world we live in was built on horseback. Many people today rarely encounter horses, but this is a recent development. Only a few decades ago domestic horses formed the fabric of societies around the globe. Almost every aspect of daily life was linked to horses in an important way. Mail was delivered by postal
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