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Stories by Karen Hopkin

Chemists Investigate Casanova's Clap

In his memoirs, the womanizing writer Giacomo Casanova described suffering several bouts of gonorrhea—but researchers found no trace of the microbe on his handwritten journals. Karen Hopkin reports...

May 2, 2019 — Karen Hopkin

Elephant Weight Cycles with New Teeth

Elephants have six sets of teeth over their lives, sometimes two sets at once. At those times, they can extract more nutrition from food and put on weight.

February 14, 2019 — Karen Hopkin

Intimate Hermit Crab Keeps Shell On

A species of hermit crab appears to have evolved a large penis to enable intercourse without leaving, and thus possibly losing, its adopted shell.

January 25, 2019 — Karen Hopkin

Monogamy May Be Written in Our Genes

In animal studies, a set of 24 genes involved in neural development, learning and memory, and cognition, seem to be associated with monogamy. Karen Hopkin reports.

January 11, 2019 — Karen Hopkin

Survey the Wildlife of the "Great Indoors"

Biologists are enlisting citizen scientists to poke around under the sink and behind the curtains, for wildlife living in the "great indoors." Karen Hopkin reports.

September 10, 2018 — Karen Hopkin
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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.