https://www.scmp.com/rss/328708/feed en https://assets.i-scmp.com/static/img/icons/scmp-meta-1200x630.png https://www.scmp.com Carole Bergmann parks her SUV in the Montgomery County town of Germantown, in the American state of Maryland, and takes me to the edge of an expansive meadow. A dense screen of charcoal-grey trees stands between the open ground and several houses. The trees are callery pears, escaped offspring of roadside trees in the neighbourhood. With no gardener to guide them, the spindly wildlings form an impenetrable thicket of dark twigs, with seven-centimetre thorns. Bergmann, a field botanist with the... https://www.scmp.com/magazines/post-magazine/long-reads/article/2164704/using-chinese-seeds-american-scientists-thought?utm_source=rss_feed https://www.scmp.com/magazines/post-magazine/long-reads/article/2164704/using-chinese-seeds-american-scientists-thought?utm_source=rss_feed Tue, 18 Sep 2018 12:48:32 +0000