Will cotton make a comeback in Mali?

Make junction, will travel

ny cell therapy risks introducing mutated and possibly tumorigenic cells. Now results from Peter Stambrook (University of Cincinnati, Cincinnati, OH) and colleagues underline this concern for embryonic stem (ES) cells, which are one possible source for therapeutic cells. Stambrook constructed a cell line in which he could detect loss or mutation of a heterozygous marker gene. Loss (rather than ...

Editorial Will ubicomp make GIS invisible ?

While speculating about the future of computers in the 21st century, Mark Weiser argued back in 1991 that ‘‘the most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it (p. 94).’’ Although the computer as we know it has not vanished as Weiser (1991) predicted, recent advances in ubiquitous computing (ubi...

Driverless Cars will Make Rails Obsolete

Driverless vehicles will be common on the road in a short time. They will have many impacts on the global transport market trends. One of the remarkable driverless vehicles impacts will be the laying aside of rail systems, because of several reasons, that is to say traffic congestions will be no more a justification for rail, rail will not be the best answer for disableds, air pollution of cars...

Comeback victory.

Whale comeback

Last month I came across a folder of papers I had written at the age of 16 for my high school English class. This occasion, in some ways like Proust’s madeleine, triggered recollections of how I, as a 16 year-old, framed the thoughts I had about what I wanted to do with my life. One of those early papers was about Frost’s poem The Road Not Taken. I remember not terribly liking the poem. But the...