publication date: Tuesday, April 3, 2018 (part of Spring 2018)

category: Science

clue: She is said to have learned over 2000 words of human language, even simple words like "cat."

explanation: Koko is a gorilla who has learned to interact with scientists through sign language and to respond to their spoken words. She famously adopted her first of several kittens in 1984, attracting national attention. more…

difficulty: easy

solved by: Russ Wilhelm, LaVonne Lemler, Samir Mehta, Matthew Preston, Richard Slominsky, and Erik Bates


Similar Goos

Margaret Fountaine

This lepidopterist is equally known for her extensive diary. Go »

Valentina Tereshkova

Она была первой чайкой, котор нужно лететь в космос. Go »

Amanda Bynes

This onetime Nickelodeon star had her own show and a sisterly sitcom before mental illness forced her into reclusion. Go »

Dylan Farrow

She's been saying "me too" since long before #MeToo, but Woody Allen's career has suffered little change in trajectory. Go »

Shirley Ann Jackson

Surely this physicist couldn't do more to advance her field. Go »

Jane Goodall

If this noted researcher got her way, we'd stop monkeying around and start conserving nature while we still can. Go »