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Science  30 Oct 1998:
Vol. 282, Issue 5390, pp. 839
DOI: 10.1126/science.282.5390.839c

Budding filmmakers. It must feel a bit like Hollywood these days at the online Molecular Biology of the Cell, which has been flooded with submissions since the journal started posting peer-reviewed videos this summer. Check out Golgi membranes moving along microtubules this month, or go back to July's issue for video essays on mitosis and other topics.

Stringing them along. Don't know your shoestring from a heterotic one? This zany Caltech site tries to unknot string theory for the layperson. Listen to audio of gurus explaining this mother of all physics theories, or page through a humorous tutorial.

Reef madness. Take a cruise into the past at Jurassic Reef Park, an image-packed site offering an overview of ancient and modern reefs—how they're created and what they indicate about global climate change.

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