# Math

1. Math

### Math explains why dense crowds form surprisingly orderly lines

New research into the behavior of moving groups of people adds to decades of study on the wisdom of crowds.

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2. Math

### Scientists Say: Parabola

A parabola is a U-shaped curve, where every point along that curve is the same distance from another point and a line.

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3. Math

### Scientists Say: Ellipse

Ellipse describes the shapes of planetary orbits around their stars and explains the wacky acoustic phenomenon of “whispering chambers.”

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4. Math

### An ‘einstein’ shape eluded mathematicians for 50 years. Now they found one

The shapes can form an infinite tiled pattern that never repeats. The first is a 13-sided shape nicknamed “the hat.”

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5. Math

### Scientists Say: Möbius strip

Möbius strips may be easy to make, but they have some pretty mind-bending properties.

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6. Earth

### Scientists Say: Altitude

Altitude is used to describe heights in geography, astronomy and math.

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7. Animals

### Random hops always bring jumping beans to shade — eventually

It’s not fast, but jumping beans use randomness to maximize their chances of getting out of the sun’s heat.

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8. Math

### Scientists Say: Calculus

Calculus is math that deals with curves, from their changing slopes to the areas they enclose.

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9. Math

The metric system just got its first update in 30 years. New prefixes will help scientists interpret the biggest — and smallest — numbers.

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10. Math

### Scientists Say: Mean, median and mode

Mean, median and mode are all different ways to describe the middle value in a dataset.

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11. Math

### Let’s learn about dealing with math anxiety

Writing about math anxiety and maintaining a “growth mindset” can help soothe stress about the subject.

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12. Math

### Scientists Say: Variable

A variable is something that can be changed — such as a value in math, or a factor in an experiment.

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