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Article
A Solar System dust ring with the Earth as its shepherd
Bodies orbiting in the gravitational fields of galactic, solar or planetary systems often suffer dissipative forces, including tidal interactions and drag resulting from motion through a gas or from collisions...
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Tungus Event
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Article
Skatole as a Root Forming Substance
THE activity of skatole as a growth-promoting substance has been noted by Glover1. We have carried out experiments which show that skatole accelerates root formation in cuttings. Cuttings of Leptospermum soopariu...