Across Sub-Saharan Africa, farmers are losing large portions of their harvest before crops ever reach the market. Pests, droughts and shifting weather patterns are decimating yields, while weak data systems make the crisis even harder to fight. In this episode of Africa Science Focus, we look at how better data and stronger plant health systems can help countries respond more effectively. Our reporter, Michael Kaloki begins in Kenya, where cereals remain central to national food security. Ant...