Actress Jessica Biel hosted the 81st Annual Science and Technical Oscars Saturday night, which honors the critical-yet-complicated side of movies most people just don’t understand.

Catmull, president of Pixar Animation Studios, picked up the night’s first - and only - Oscar statuette for his lifetime achievement in computer graphics. Pixar’s WALL-E is up for this year’s Oscar for best animated feature. In its 23-year history, the studio has won 21 Academy Awards.

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