The Liquidambar genus gets its nickname from the sap the trees produce; the brown resin can be hardened to make gum. But the sap, which is called storax, is more than just a chewy candy ...

Chewing gum contains long molecules called polymers. Some brands of gum contain natural polymers from tree sap. Others contain synthetic polymers derived from the petroleum industry. These various ...

Natural tree sap gum and light may be the newest weapons in extending the shelf life of fresh fruit and vegetables.