Composite - resin fillings are more aesthetically pleasing because the mixture of plastic and fine glass particles can be colored to match a patient's teeth. (sciencedaily.com)
Prod a snail embryo with fine glass rods and you can make its shell coil in the opposite direction to normal. (newscientist.com)
It's made from a skirt of horse hair, so it really highlights the interesting materials McQueen used in his designs, and it has a bodice of very fine glass beads that have been built up into layers, so it has this mossy and algae - like quality, and it looks as though it's alive and growing. (vam.ac.uk)