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VOL. 23, NO. 18MARCH 27, 1998

Prof. Brian Greene:
A Universe of at Least 10 Dimensions

String Theory Finally Reconciles Theories of Relativity and Gravity
dimensions
String theory requires at least six extra spatial dimensions tightly curled-up to microscopic size. Here we see two such dimensions, curled-up into tiny spheres.—See FULL STORY.

Researchers: Minorities Are More Prone to Alzheimer’s

Although scientists have known for several years that the presence of the 4 form of the gene known as apolipoprotein-E (APOE), or APOE- 4 allele (gene variation), is associated with an increased risk of Alzheimer’s disease among whites, the risk posed by the gene has not been so clear-cut among African Americans and Hispanics.

  Now, researchers from Columbia’s College of Physicians & Surgeons have discovered that African Americans and Hispanics have an increased risk of Alzheimer’s disease whether or not they carry the APOE- 4 allele.—See FULL STORY.







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