| A1 | Vocalnoes / Cloud Seeding | 4:31 |
| A2 | Violins / Photosynthesis | 4:41 |
| A3 | Solar Cells / Atmospheric Contaminants | 4:38 |
| A4 | Pulsars / Biological Motion | 4:34 |
| A5 | Desertification / PETT | 4:31 |
| B1 | Speech Synthesis / Disc Galaxies | 4:33 |
| B2 | Acid Rain / Noise Annoyance | 4:28 |
| B3 | Laser Cleaning / Histoical Astronomy | 4:30 |
| B4 | Blood Flow Machine / Ocean Air Interface | 4:27 |
| B5 | Spectral Prospecting / Parametric Sonar | 4:31 |