Charles Darwin at Desk — Brown

1280 × 1280

Darwin in a study with Pokémon

1280 × 800

Man at Desk with Fossils

1280 × 800

Charles Darwin at Desk

1500 × 1500

Portrait of Charles Darwin — Blue, Serious

1440 × 900

Portrait of Charles Darwin — Blue

1440 × 900

Particle Accelerator Detector — Green

1600 × 1000

Blue Research Vessel

1600 × 1064

Charles Darwin Portrait — Green

1280 × 800

Large Circular Accelerator

1600 × 1200

Particle Accelerator Detector — Blue, Industrial

3008 × 1960

Red research vessel Humboldt

897 × 600