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Darwin's Ark on display at the pet science fair

By Claire HendershotAugust 19, 2025
behavior

Behavior

cats

Cats

community-science

Community Science

dogs

Dogs

genetics

Genetics

Cambridge's community comes together for cats, dogs, and scientific discovery.

Last month, Darwin’s Ark turned curiosity into community at “The Truth about Cats and Dogs,” a science fair co-hosted at the Broad Discovery Center and MIT Museum in Cambridge, Massachusetts. Our scientists stepped out of the lab and into the limelight to connect face-to-face with fellow animal lovers about the science behind our pets’ health, behavioral quirks, and ancestry.

Although much of Darwin’s Ark’s community science happens online, this in-person event was a paws-on opportunity to engage with our pet science mission. Visitors had the chance to chat directly with our scientists, peruse posters about Darwin’s Ark projects, participate in a live Q&A, and craft custom puzzles for their pets.

Broad Discovery Center: Poster sessions and colorful questions

The Broad Discovery Center is a free science museum with floor-to-ceiling windows looking out on Cambridge’s busy Main Street. At the daylong pet science fair, Discovery Center visitors explored posters highlighting Darwin’s Ark projects—Darwin’s Cats, the Dog Cancer Project, and the Working Dog Project—and chatted with researchers about everything from fur-based DNA sequencing to working dogs to cat ancestry.

One popular activity was the coat coloring station, where an oversized printout of a Darwin’s Cats survey question invited guests to color pictures of their pets’ coats. The result was a mural of calicos, tabbies, tuxedos, and bridles—plus a few unusually colorful coats—that celebrated the dazzling diversity of our four-legged friends.

We’ve never seen this unique coat before! Is it in the cat’s genes…or their owner’s vivid imagination?
We’ve never seen this unique coat before! Is it in the cat’s genes…or their owner’s vivid imagination?

MIT Museum: Science chats and puzzles for cats

Just a five-minute stroll from the Broad Discovery Center, the MIT Museum continued the pet party with spotlights on scientific conversation and hands-on creativity. The MIT Museum hosted an Ask Me Anything session featuring evolutionary behavior expert Dr. Kathryn Lord and Darwin’s Ark Chief Scientist Dr. Elinor Karlsson.

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Photo credit: Ola Jachtorowicz, MIT Museum
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To wrap up the day, attendees channeled their inner artists for a pet puzzle-making session at the museum’s Learning Lab. With cardboard, yarn, tissue paper, and a lot of imagination, guests created puzzles designed to encourage their pets' evolutionary hunting behaviors through play. Equal parts DIY and behavioral science, these crafty creations exemplified how scientific research can help us provide enriching experiences for our pets.

Science starts with your questions

“The Truth About Cats and Dogs” was the first in-person event that Darwin’s Ark hosted this year, and it won’t be the last. Our community’s thoughtful conversations and clever contributions proved just how powerful pet science can be when everyone gets involved.

Whether online or IRL, Darwin’s Ark is powered by curious pet lovers: people like you who want to use science to better understand and provide for their pets. So, keep asking questions (and responding to our surveys)! Your pet just might help us find the answers.

Some highlights from our Gallery of Pet Quirks. One of pet science’s biggest mysteries is cats’ affinity for snacking on inedible objects.
Some highlights from our Gallery of Pet Quirks. One of pet science’s biggest mysteries is cats’ affinity for snacking on inedible objects.