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When they suck your blood they can leave behind the parasite that causes sleeping sickness. Patrick Robert/Sygma via Getty Images

Bloodthirsty tsetse flies nurse their young, one live birth at a time – understanding this unusual strategy could help fight the disease they spread

This insect’s unique reproductive biology could lead to new ways to control the species in the environment – and prevent the deadly sleeping sickness it spreads to people.
Middlebury Assistant Professor David Allen prepares to inspect a piece of canvas dragged through the forest to collect ticks. Todd Balfour/Middlebury College

A tick detective wants to understand what drives tick abundance

A tick expert explains his work trying to understand why the abundance of the parasites vary so much from location to location and year to year.

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