Notebook
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		PhysicsKey to Other Worlds
Excerpt from the August 17, 1963, issue of Science News Letter.
By Science News - 			
			
		ComputingForecasting by computer
Excerpt from the August 10, 1963, issue of Science News Letter.
By Science News - 			
			
		GeneticsChromosome Variations
Excerpt from the July 27, 1963, issue of Science News Letter
By Science News - 			
			
		Quantum PhysicsMost precise clock
It would take more than 50 billion years for a new atomic clock to gain or lose a second.
By Andrew Grant - 			
			
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		Health & MedicineNobelist’s Cancer Theory
Excerpt from the July 13, 1963, issue of Science News Letter
By Science News - 			
			
		Health & MedicineBalloon Clears Arteries
Excerpt from the June 29, 1963, issue of Science News Letter.
By Science News - 			
			
		Planetary ScienceThirty years to Mars
Excerpt from the June 15, 1963, issue of Science News Letter.
By Nathan Seppa - 			
			
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