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.
Botany for Kids: This simple science activity for kids doubles as a gorgeous flower craft and provides some floral fine motor skills - this flower dissection is simple to set up and gets kids interested in botany!