Today’s TulaToonz by Edelio De los Santos. “Tonight, I can draw the saddest lines,” the Geometry teacher said. “Ones that never meet no matter how close to each other, no matter how far they are ...

Five squares and a trapezoid in between - many children would find it difficult to recognize the different geometric shapes. Crows, however, manage this amazingly well, as a team led by Andreas Nieder ...

Parallel lines are lines which are always the same distance apart and never meet. Arrowheads show lines are parallel. When a pair of parallel lines is cut with another line known as an intersecting ...

Parallel lines are lines which are always the same distance apart and never meet. Arrowheads show lines are parallel. When a pair of parallel lines is cut with another line known as an intersecting ...

Colleen Ritzer had the challenging job of getting sleepy, slouching high school students to work geometry proofs — the tedious building of evidence to show that two angles are congruent, or two lines ...

Crows are able to look at a handful of four-sided shapes and correctly distinguish those that exhibit geometric regularity from those that don't, according to a provocative new study. It's the first ...

A 125-page proof posted to arXiv may represent a huge breakthrough in geometric measure theory. This problem has implications in fields like encryption, computer science, and number theory. How much ...

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