Chris Heron, Author at New 女生小视频 Science news and science articles from New 女生小视频 Sat, 08 Feb 1992 00:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.7 242057827 The networks of botanical creation: Why is it so hard to construct trees of descent for some groups or organisms, such as flowering plants? Perhaps it is because members of these groups have swapped genes during formative periods of their history /article/1825376-mg13318074-700/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Sat, 08 Feb 1992 00:00:00 +0000 http://mg13318074.700 1825376