First chimpanzee fad: Grass-ear phenomenon studied in chimps.

Chimp Study Shows Making Yourself Look Dumb to Fit in Isn’t Limited to Humans (Video)

Chimp Study Shows Making Yourself Look Dumb to Fit in Isn’t Limited to Humans (Video)

Slate in motion.
July 10 2014 2:43 PM

Where’d You Get Your Grass?

The “first chimp fad” suggests primates want to be fashionable, too.

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A four-month-old baby Chimpanzee is seen at the National Zoo in Kuala Lumpur on February 10, 2013. The baby Chimpanzee was born on November 2012. AFP PHOTO / MOHD RASFAN (Photo credit should read MOHD RASFAN/AFP/Getty Images)

Photo by MOHD RASFAN/AFP/Getty Images

Although chimps have long been observed to use grass as tools, a new study offers the first time researchers have seen grass used purely as fashion.

Chris Wade is a New York-based video and audio producer and an occasional contributor to Brow Beat.