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Lefties do more

10.05.2009

French scientists from the Institute of Sciences of Evolution in Montpellier collected statistics on 25 people, both right-handed and left-handed.

It turned out that left-handers, on average, receive higher salaries and occupy higher positions at work. Left-handed women are more likely to receive higher education. But in early childhood, the health of left-handers is often weaker than that of right-handers; at birth, their height and weight are reduced.

In addition, our world is adapted mainly for right-handers. Perhaps it is the constant struggle for existence that makes lefties more successful.

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Problem: Too little ice and snow on the roads 12.10.2001

Due to global warming, there is too little ice and snow on the roads of Iceland in winter.

If the ice disappeared completely, then the Icelanders would give up their habit of driving on studded tires, but the difficulty is precisely that it is too early to give up studs. Driving through ice-free areas, cars not only spoil the road surface, but also raise clouds of fine dust into the air - concrete ground with spikes.

Doctors say that a person who regularly inhales such dust can develop silicosis at best, and lung cancer at worst. The same problem arose in some Scandinavian countries. To study the damage caused by studs, experts from the University of Newcastle (England) are driving a 14-ton truck on studded tires along a concrete ring.

The task of the experiments is to choose a brand of concrete that will better withstand abrasion and dust, from which it will not be so dangerous for the lungs.

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