[ad_1] <br><a target="_blank" href="https://news.google.com/rss/articles/CBMiWGh0dHBzOi8vcGh5cy5vcmcvbmV3cy8yMDIzLTA4LWV2aWRlbmNlLWZvcm1hdGlvbi1ldm9sdXRpb24tcHJlaGlzdG9yaWMtYWdyaWN1bHR1cmFsLmh0bWzSAVdodHRwczovL3BoeXMub3JnL25ld3MvMjAyMy0wOC1ldmlkZW5jZS1mb3JtYXRpb24tZXZvbHV0aW9uLXByZWhpc3RvcmljLWFncmljdWx0dXJhbC5hbXA?oc=5" rel="noopener">Study finds evidence of the formation and structural evolution of prehistoric agricultural economy in Central China</a> <font color="#6f6f6f">Phys.org</font> <br>[ad_2] <br><a href="https://news.google.com/rss/articles/CBMiWGh0dHBzOi8vcGh5cy5vcmcvbmV3cy8yMDIzLTA4LWV2aWRlbmNlLWZvcm1hdGlvbi1ldm9sdXRpb24tcHJlaGlzdG9yaWMtYWdyaWN1bHR1cmFsLmh0bWzSAVdodHRwczovL3BoeXMub3JnL25ld3MvMjAyMy0wOC1ldmlkZW5jZS1mb3JtYXRpb24tZXZvbHV0aW9uLXByZWhpc3RvcmljLWFncmljdWx0dXJhbC5hbXA?oc=5">Source link </a>