Wednesday, 21 May 2003 00:00

Two birds with one stroke

Written by

Promotion L. Braam

Recently, research has come to the surprising result that vitamin K as a food supplement not only slows down osteoporosis, but also has a positive effect on the elasticity of the vascular wall. This finding may possibly be the key to a direct preventive approach of two geriatric complaints that affect a considerable part of our population: osteoporosis and vasoconstriction.

Wednesday, 21 May 2003 00:00

Literature and Charles Darwin

Written by

Poetry as a phase of human evolution

When you talk about poetry and literature, you don't immediately think of concepts such as natural and sexual selection, unless these concepts concern the subject of the poem or book itself. In America, however, such a connection has led to a new movement in literature science: biopoetics. Also in the Netherlands, the first steps are being made in this field. The last number of Armada, a scientific magazine for world literature, is dedicated to the implementation of evolutionary ideas in art.

Wednesday, 21 May 2003 00:00

Low-traffic zones and bicycle sharing

Written by

Economist studies experiments with sustainable transport

The present transport system on the basis of individual use of cars and freight traffic is not exactly ecological and leads to a lot of nuisance and victims. In Europe, in the last years, there has been an interest in alternatives, and there are experiments with sustainable transport. However, these experiments often remain tentative and the initiatives do not lead to structural changes. The Maastricht economist René Kemp investigated, in cooperation with colleagues from Universiteit Twente, how this can be improved.

Wednesday, 21 May 2003 00:00

Computer excellent art connoisseur

Written by

The emphasis is no longer on cognition, but on perception

They scan lots of paintings of Van Gogh. Then, the computer records all pixels of a painting and analyses meticulously small parts of the painting. In a way, the computer looks at the painting in the same way as our brains. Essential for the recognition is the texture, the local structure of a painting. In fact, the computer searches for the personal fingerprint of Van Gogh that reveals itself in his brushstroke! Prof. van den Herik and prof. dr. Eric Postma study to what extent computers can act as art connoisseurs.

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