- 7611 1024x768 quote, science, knowledge
- 25334 1024x768 girl, brunette, science
- 13850 1024x768 european extremely large telescope, chili, science
- 6809 1024x768 formulas, symbols, science
- 4035 1024x768 girl, scientist, science
- 3859 1024x768 books, reading, science
- 9186 1024x768 globe, books, study
- 5708 1024x768 neon, light, formulas