https://woocommerce.com/document/products-linked-by-variations-for-woocommerce/
WooCommerce linked variations let you link multiple products by their attributes & show them on the product page like variation swatches.
woocommerce productslinked variationsplugin
https://www.sciencedaily.com/releases/2014/06/140622142230.htm
Variations in high-altitude wind patterns expose particular parts of Europe, Asia and the US to different extreme weather conditions, a new study has shown....
regional weatherextremeslinkedatmosphericvariations
https://www.sciencedaily.com/releases/2019/02/190214093402.htm
Progress reported on understanding why Hispanic children are more likely to develop acute lymphoblastic leukemia and to die of the disease.
genetic variationsfourthlinkedelevatedleukemia