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Stories by Karen Hopkin

Skinny Genes Tell Fat to Burn

A gene whose mutated form is associated with cancer in humans turns out to have a role in burning calories over a long evolutionary history.

May 22, 2020 — Karen Hopkin

Some Wolf Pups Show Innate Fetching Talent

Some wolf pups will play fetch with a stranger, suggesting that an ability to playfully interact with people could have come before, and played a role in, dog domestication.

January 25, 2020 — Karen Hopkin

Curiosity Killed the ... Mouse?

The cat parasite Toxoplasma gondii boosts curiosity in mice—which makes them more likely to be caught by cats, thus continuing the parasite’s life cycle. Karen Hopkin reports...

January 23, 2020 — Karen Hopkin

Monogamy May Be Written in Our Genes

In animal studies, a set of 42 genes involved in neural development, learning and memory, and cognition seems to be associated with monogamy

September 19, 2019 — Karen Hopkin
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