TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Compositions: Boron aluminosilicate glass contains 48-66 mol.%, preferably 50-64 mol.% SiO2, 10-18 mol.%, 11-18 mol.% Al2O3, 11-22 mol.%, preferably 12-22 mol.% sodium oxide (Na2O), 0.5-5 mol.%, preferably 0.5-5 mol.% potassium oxide (K2O), 0-5 mol.%, preferably 0-3 mol.% magnesium oxide (MgO), 0.1-15 mol.% B2O3, 0.1 -3 mol.%, preferably 0.1-1.5 mol.% zirconium dioxide (ZrO2), 0-3 mol.%, preferably 0-2 mol.% phosphorus pentoxide (P2O5), 0-1 mol.%, preferably 0-0.5 mol.% calcium oxide (CaO), 0-1 mol.% titanium dioxide (TiO2), 0-0.3 mol.% cerium dioxide (CeO2), 0-0.5 mol.% fluoride (F2), 0-1 mol.% tin dioxide (SnO2), and 0-1 mol.% sulfur trioxide (SO3), where (R2O+R'O-Al2O3-P2O5-ZrO2)/B2O3 is less than or equal to 8, preferably less than or equal to 7, R2O is Na2O or K2O, R'O is CaO, SrO, BaO, or MgO, B2O3/R2O is 0-1, preferably 0-0.6, (P2O5+Al2O3+R2O)/(B2O3+ZrO2+R'O) is 1-30, preferably 1-7, B2O3/(P2O5+Al2O3) is 0-3, preferably 0-1, and B2O3+P2O5+Al2O3 is 8-30, preferably 8-22. Preferred Parameters: The glass article has surface compressing stress (CS) of greater than or equal to 600 MPa, preferably greater than or equal to 1100 MPa, which decreases with increasing (EBI)gl. The glass article has minimal hardness of greater than or equal to 500 MPa, preferably greater than or equal to 650 MPa. The glass has elastic module (E) of 60-85 GPa, preferably 70-85 GPa, which increases with increasing (EBI)gl. The glass article has yield point (AT) of 600-850 degrees C, preferably 680-800 degrees C, glass transformation temperature (Tg) of 550-730 degrees C, preferably 600-700 degrees C, and coefficient of thermal expansion (CTE) of (6.1-10)x 10-6/K, preferably (6.1-9)x 10-6/K in which AT and Tg decrease with increasing (EBI)gl and CTE increases with increasing (EBI)gl. The glass article has density of less than or equal to 2.5 g/cm3, preferably less than or equal to 2.45 g/cm3. The glass article has a chemically strengthened layer having an antimicrobial function by including 0-20 wt.% silver ion (Ag+) on the layer surface and being non-cytotoxic. Preferred Conditions: Chemical toughening temperature is 350-490 degrees C, preferably 400-480? oC, and chemical toughening time is 1-16 hours, preferably 2-8 hours. Preferred Processes: The glass article is hot-formed by floating, down-draw, slot-draw, or overflow fusion-draw, and is chemically toughened.