Women and girls across much of the developing world lack access to menstrual products. This means that for at least a week or so every month, many girls don't go to school, so they fall behind educationally and often never catch up economically.
Sisal is an invasive plant in rural Kenya, where it is often planted as livestock fencing and feedstock. It doesn't require fertilizer, and its leaves can be harvested all year long over a five- to seven-year span. Odundo and his partners in Manu Prakash's lab at Stanford University developed a process to generate soft, absorbent material from the sisal leaves.
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