Try this science experiment with children over the course of several days. Fill up 4 vases with different coloured water and put 1 white carnation in each one. Watch the flowers over the next four days change to the colour of the water.
Naples garlic The structure of garlic could be mistaken for exquisite coloured glass. When a tiny stem section is stained with toluidine blue, a dye that builds up in the acidic parts of tissue, nucleic acids show up in blue. The dark spot is a bundle of vascular tissue that carries nutrients and fluids up the stem. The full image is a composite of 55 shots.
CEROPEGIA-WOODII-String-of-Hearts Tuber beads are small beads which form on stem at the leaf bases. Can be planted to produce new vines. Press the tuber into the soil, & keep it moist (not wet), plant the bead while it is still attached to the mother plant, for speedier rooting. Once rooted & growing, sever from the main plant.