Time-scale separation - Michaelis and Menten's old idea, still bearing fruit

Alternate Bearing in Fruit Trees1

Old Advice Still Holds

—The Editors A s a nutrition professor, I am constantly asked why nutrition advice seems to change so much and why experts so often disagree. Whose information, people ask, can we trust? I’m tempted to say, “Mine, of course,” but I understand the problem. Yes, nutrition advice seems endlessly mired in scientific argument, the self-interest of food companies and compromises by government regulat...

OFDM: An Old Idea Solves New Problems

The multicarrier technique is known since more than 40 years. First practical applications, however, were not considered before 1990 when Bingham’s famous paper appeared which pointed out the great attraction of this idea – especially in the form of the FFT-based ”OFDM” (Orthogonal Frequency Division Multiplexing). Meanwhile, OFDM is applied in the DAB and DVB standard (Digital Audio/Video Broa...

A New Look at an Old Idea

Traditionally, most cases of hypertension in children and adolescents have been attributed to secondary causes, with renal and cardiac disorders being the most common, at least in preadolescent children. However, most hypertensive adolescents have no identifiable underlying cause for their hypertension, perhaps with the exception of obese adolescents, in whom the hypertension is likely attribut...

An old idea for a new age.

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