43 Mao, W.L., H.K. Mao, Y. Meng, P. Eng, M.Y. Hu, P. Chow, Y.Q. Cai, J. Shu, and R.J. Hemley, X-ray-induced dissociation of H2O and formation of an O2-H2 alloy at high pressure, Science, 314, 636-638, 2006. 42 Mao, W.L., H.K. Mao, W. Sturhahn, J. Zhao, V.B. Prakapenka, Y. Meng, J. Shu, Y. Fei, and R.J. Hemley, Iron-rich post-perovskite and the origin of ultralow-velocity zones, Science, 312, 564-565, 2006. 41 Merkel, S., A. Kubo, L. Miyagi, S. Speziale, T.S. Duffy, H.K. Mao, and H.-R. Wenk, Plastic deformation of MgGeO3 post-perovskite at lower mantle pressures, Science, 311, 644-646, 2006. 40 Lin, J.-F., W. Sturhahn, J. Zhao, G. Shen, H.K. Mao, and R.J. Hemley, Sound velocities of hot dense iron: Birch’s law revisited, Science, 308, 1892-1894, 2005 39. Mao WL, Mao HK, Eng PJ, et al. Bonding changes in compressed superhard graphite, SCIENCE 302 (5644): 425-427 OCT 17 2003 38. Struzhkin VV, Eremets MI, Gan W, et al. Superconductivity in dense lithium, SCIENCE 298 (5596): 1213-1215 NOV 8 2002 37. Mao WL, Mao HK, Goncharov AF, et al. Hydrogen clusters in clathrate hydrate, SCIENCE 297 (5590): 2247-2249 SEP 27 2002 36. Eremets MI, Struzhkin VW, Mao HK, et al. Superconductivity in baron, SCIENCE 293 (5528): 272-274 JUL 13 2001 35. Mao HK, Xu J, Struzhkin VV, et al. Phonon density of states of iron up to 153 gigapascals, SCIENCE 292 (5518): 914-916 MAY 4 2001 34. Xu JA, Mao HK, Moissanite: A window for high-pressure experiments, SCIENCE 290 (5492): 783-785 OCT 27 2000 33. Merkel S, Goncharov AF, Mao HK, et al. Raman spectroscopy of iron to 152 gigapascals: Implications for Earth's inner core, SCIENCE 288 (5471): 1626-1629 JUN 2 2000 32. Chou IM, Blank JG, Goncharov AF, H. K. Mao and R. J. Hemley, In situ observations of a high-pressure phase of H2O ice, SCIENCE 281 (5378): 809-812 AUG 7 1998 31. Mao HK, Shen GY, Hemley RJ, Multivariable dependence of Fe-Mg partitioning in the lower mantle, SCIENCE 278 (5346): 2098-2100 DEC 19 1997 30. Hemley RJ, Mao HK, Shen GY, J. Badro, P. Gillet, M. Hanfland and D. Häusermann, X-ray imaging of stress and strain of diamond, iron, and tungsten at megabar pressures, SCIENCE 276 (5316): 1242-1245 MAY 23 1997 29. Yoo CS, Campbell AJ, Mao HK, and R. J. Hemley,  Detecting phases of iron - Response, SCIENCE 275 (5296): 96-96 JAN 3 1997 28. Goncharov AF, Struzhkin VV, Somayazulu MS, R. J. Hemley and H. K. Mao,  Compression of ice to 210 gigapascals: Infrared evidence for a symmetric hydrogen-bonded phase, SCIENCE 273 (5272): 218-220 JUL 12 1996 27. Somayazulu MS, Finger LW, Hemley RJ, and H. K. Mao,  High-pressure compounds in methane-hydrogen mixtures, SCIENCE 271 (5254): 1400-1402 MAR 8 1996 26. YOO CS, AKELLA J, CAMPBELL AJ, H. K. Mao and R. J. Hemley,  PHASE-DIAGRAM OF IRON BY IN-SITU X-RAY-DIFFRACTION - IMPLICATIONS FOR EARTH CORE, SCIENCE 270 (5241): 1473-1475 DEC 1 1995 25. SAXENA SK, DUBROVINSKY LS, HAGGKVIST P, Y. Cerenius, G. Shen and H. K. Mao, SYNCHROTRON X-RAY STUDY OF IRON AT HIGH-PRESSURE AND TEMPERATURE, SCIENCE 269 (5231): 1703-1704 SEP 22 1995 24. FEI YW, PREWITT CT, MAO HK, and C. M. Bertka,  STRUCTURE AND DENSITY OF FES AT HIGH-PRESSURE AND HIGH-TEMPERATURE AND THE INTERNAL STRUCTURE OF MARS, SCIENCE 268 (5219): 1892-1894 JUN 30 1995 23. MEADE C, MAO HK, HU JZ, HIGH-TEMPERATURE PHASE-TRANSITION AND DISSOCIATION OF (MG,FE)SIO3 PEROVSKITE AT LOWER MANTLE PRESSURES, SCIENCE 268 (5218): 1743-1745 JUN 23 1995 22. FEI YW, MAO HK, IN-SITU DETERMINATION OF THE NIAS PHASE OF FEO AT HIGH-PRESSURE AND TEMPERATURE, SCIENCE 266 (5191): 1678-1680 DEC 9 1994 21. DUFFY TS, VOS WL, ZHA CS, R. J. Hemley and H. K. Mao,  SOUND VELOCITIES IN DENSE HYDROGEN AND THE INTERIOR OF JUPITER, SCIENCE 263 (5153): 1590-1593 MAR 18 1994 20. KINGMA KJ, MEADE C, HEMLEY RJ, H. K. Mao and D. R. Veblen,  MICROSTRUCTURAL OBSERVATIONS OF ALPHA-QUARTZ AMORPHIZATION, SCIENCE 259 (5095): 666-669 JAN 29 1993 19. STIXRUDE L, HEMLEY RJ, FEI Y, and H. K. Mao,  THERMOELASTICITY OF SILICATE PEROVSKITE AND MAGNESIOWUSTITE AND STRATIFICATION OF THE EARTHS MANTLE, SCIENCE 257 (5073): 1099-1101 AUG 21 1992 18. SKELTON EF, AYERS JD, QADRI SB, N. E. Moulton, K. P. Cooper, L. W. Finger, H. K. Mao and Z. Hu, SYNCHROTRON X-RAY-DIFFRACTION FROM A MICROSCOPIC SINGLE-CRYSTAL UNDER PRESSURE, SCIENCE 253 (5024): 1123-1125 SEP 6 1991 17. BADDING JV, HEMLEY RJ, MAO HK, HIGH-PRESSURE CHEMISTRY OF HYDROGEN IN METALS - INSITU STUDY OF IRON HYDRIDE, SCIENCE 253 (5018): 421-424 JUL 26 1991 16. HEMLEY RJ, MAO HK, CRITICAL-BEHAVIOR IN THE HYDROGEN INSULATOR-METAL TRANSITION, SCIENCE 249 (4967): 391-393 JUL 27 1990 15. MAO HK, HEMLEY RJ, EVIDENCE FOR BAND OVERLAP METALLIZATION OF HYDROGEN - RESPONSE, SCIENCE 247 (4944): 863-864 FEB 16 1990 14. MAO HK, CORRECTION, SCIENCE 246 (4936): 1375-1375 DEC 15 1989 13. MAO HK, WU Y, HEMLEY RJ, L. C. Chen, J. F. Shu and L. W. Finger, X-RAY-DIFFRACTION TO 302 GIGAPASCALS - HIGH-PRESSURE CRYSTAL-STRUCTURE OF CESIUM IODIDE, SCIENCE 246 (4930): 649-651 NOV 3 1989 12. MAO HK, HEMLEY RJ, OPTICAL STUDIES OF HYDROGEN ABOVE 200-GIGAPASCALS - EVIDENCE FOR METALLIZATION BY BAND OVERLAP, SCIENCE 244 (4911): 1462-1465 JUN 23 1989  11. HCOAT AP, HEMLEY RJ, L. W. Finger, C. S. Zha, R. M. Hazen and D. E. Cox, SYNCHROTRON X-RAY-DIFFRACTION MEASUREMENTS OF SINGLE-CRYSTAL HYDROGEN TO 26.5 GIGAPASCALS, SCIENCE 239 (4844): 1131-1134 MAR 4 1988 10. HEMLEY RJ, BELL PM, MAO HK, LASER TECHNIQUES IN HIGH-PRESSURE GEOPHYSICS, SCIENCE 237 (4815): 605-612 AUG 7 1987 9. XU JA, MAO HK, BELL PM, HIGH-PRESSURE RUBY AND DIAMOND FLUORESCENCE - OBSERVATIONS AT 0.21 TO 0.55 TERAPASCAL, SCIENCE 232 (4756): 1404-1406 JUN 13 1986 8. Bell, P. M., H. K. Mao and K. Goettel, Ultrahigh pressure: beyond 2 megabars and the ruby fluorescence scale, Science, 226, 542-544, 1984 (GL-1933). 7. Jeanloz, R., T. J. Ahrens, H. K. Mao and P. M. Bell, B1-B2 transition in calcium oxide from shock-wave and diamond-cell experiments, Science, 206, 829-830, 1979 (GL-1799). 6. Mao, H. K. and P. M. Bell, Observations of hydrogen at room temperature (25oC) and high pressure (to 500 kilobars), Science, 203, 1004-1006, 1979 (GL-1761). 5. Mao, H. K. and P. M. Bell, High-pressure physics: sustained static generation to 1.36 to 1.72 megabars, Science, 200, 1145-1147, 1978 (GL-1739). 4. Mao, H. K. and P. M. Bell, High-pressure physics: the 1-megabar mark on the ruby R1 static pressure scale, Science, 191, 851-852, 1976 (GL-1680). 3. Mao, H. K. and P. M. Bell, Electrical conductivity and the red shift of absorption in olivine and spinel at high pressure, Science, 176, 403-406, 1972 (GL-1602). 2. Taylor, L. A. and H. K. Mao, A high-pressure polymorph of troilite, Science, 170, 850-851, 1970 (GL-1577). 1. Takahashi, T., H. K. Mao and W. A. Bassett, Lead: X-ray diffraction study of a high-pressure polymorph, Science, 165, 1352-1353, 1969.