This week: food waste. Worldwide, a third of the food we buy ends up in the bin. Why? And what can science do to help? Plus - will 2020 be another climate record-breaker, and what are the climate-change consequences for future food production here? A new way to treat type 1 diabetes. And why, nutritionally-speaking, packed lunches for many children leave a lot to be desired... Like this podcast? Please help us by
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