Sandy Ong

This article originally appeared in Knowable Magazine.On an overcast spring morning in 2012, Federica Bertocchini was tending to her honeybees close to where she lived in Santander, on Spain’s picturesque northern coast. One of the honeycombs “was plagued with worms,” says the amateur apiarist, referring to the pesky larvae of wax moths,  which have a voracious—and destructive—appetite.

A version of this article was originally published in Undark Magazine.On a late April afternoon, the Ngor Health Center in Dakar, Senegal, is serene. Sunlight spills through architectural gaps in the ceiling and lush plants line cream-colored corridors. In a patient waiting area on the second floor, a staff member gently rolls a ball back and forth with a toddler.