The periodic table is 150 years old this week

Its creation is a perfect illustration of how science progresses

https://www.economist.com/science-and-technology/2019/02/28/the-periodic-table-is-150-years-old-this-week?utm_campaign=the_download.unpaid.engagement&utm_source=hs_email&utm_medium=email&utm_content=70381626&_hsenc=p2ANqtz-8e-gwc3qYJ2ehXztWbreyW-N0b0oJ4gcfFbHrjPEg87UiH3OVxWiALApWjC8I5WgSyUBwdzSk-jMbsHUkWgqdabQbRCDz13XMdBu87WssYW7bOs1Q&_hsmi=70381626