Math
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Animals
To figure out your dog’s ‘real’ age, you’ll need a calculator
What’s your dog’s humanequivalent age? Just multiply how old it is times seven, right? Uh, no. And here’s why.

Humans
When it comes to downing hot dogs, science says there’s a limit
Humans may be able to eat only 83 hot dogs in 10 minutes, new research suggests.

Tech
Why sports are becoming all about numbers — lots and lots of numbers
Sports once focused on muscles, skill and tactics. Now math is becoming almost as important. It helps assess players — and improve their tools.

Math
Lack of diversity in his field has troubled this mathematician
As a kid, Edray Goins didn’t like math. But he fell in love with the subject in college and is now training the next generation of minority mathematicians.

Physics
Try This: Walking on water with science
Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.

Math
Colorchanging fibers help unravel a knotty problem
Experiments with colorful fibers helped scientists discover a few simple rules on why the strength of various types of knots differs.

Math
How math makes movies like Doctor Strange so otherworldly
In the 1970s, a mathematician introduced geometric patterns that he named fractals. Moviemakers are now using those patterns to create dazzling digital effects.

Tech
Drones help scientists weigh whales at sea
Drone imagery lets scientists estimate a whale’s weight. And that may help monitor the health of these big mammals for conservation purposes.

Chemistry
Chemists have created a ringshaped form of carbon
A ringshaped carbon molecule takes its place among buckyballs, carbon nanotubes and other odd forms of the element.

Math
For these artists, math is their muse
Artists around the world are finding inspiration in the curves, equations and patterns of mathematics. Here are some of their stories.

Math
Science is helping kids become math masters
Some researchers study video games, students’ posture and more as a means to help kids become better and more comfortable with math.

Materials Science
Analyze This: Do exotic woods make better guitars?
When comparing the sound of guitars made from rare and costly woods to those made with common, cheaper alternatives, guitarists couldn’t tell much of a difference.
By Sid Perkins