The International Cocoa Quarantine Centre, at the University of Reading, has an important job: stop pests and viruses from hitching a ride, as researchers try to breed better and hardier varieties of cocoa. Here’s how they do it. ■ https://research.reading.ac.uk/cocoa/…

Articles mentioned:
https://www.theguardian.com/lifeandst…
https://people.com/food/world-chocola…

More reading and sources:
https://www.newyorker.com/tech/annals…
https://www.newscientist.com/article/…