100 Years of Vitamins

100 years of vitamins: adequate intake in the elderly is still a matter of concern.

Demographic changes lead to an ever greater number of elderly people and mounting evidence suggests an association between vitamin status and the development of noncommunicable diseases. However, even in affluent Western countries, data from dietary intake surveys indicate that vitamin inadequacy is widespread even in healthy elderly. Changes inherent to the aging process lead to the need for i...

100 years of servitude.

Physics in 100 years

Here I indulge in wide-ranging speculations on the shape of physics, and technology closely related to physics, over the next one hundred years. Themes include the many faces of unification, the re-imagining of quantum theory, and new forms of engineering on small, intermediate, and large scales. When Leon Cooper, on behalf of Brown University, asked me to contribute to their 250th anniversary ...

100 years of sperm chemotaxis

Exactly 100 years ago, F.R. Lillie reported chemotaxis in animal sperm for the first time (Lillie, 1912). Chemo-taxis refers to the directed movement of a cell or organism to the source of a chemical gradient; the chemical agent that elicits this movement is called a chemoattrac-tant. Chemotaxis had previously been shown by Pfeffer (1884) for fern spermatozoids; however, attempts to demonstrate...

100 Years of Consolidation — Remembering

Introduction The origin of the concept of memory consolidation and the introduction of the term “consolidirung” (consolidation) to the modern science of memory are generally credited to Georg Elias Müller (1850–1934), professor at the University of Göttingen, Germany, and his student Alfons Pilzecker. Their seminal monograph “Experimentelle Beiträge zur Lehre vom Gedächtnis” (Experimental Contr...