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Risky journey

January 1, 2007 12:00 am Published by

Macho culture of truck drivers contributes towards disseminating Aids virus

More free time

January 1, 2007 12:00 am Published by

A machine for ironing clothes intends to retire the steam iron

Paulo Sérgio Pinheiro: Violence without limits

December 1, 2006 12:00 am Published by

A UN study coordinated by a Brazilian sociologist reveals that children are the victims of mistreatment and aggression throughout the world, at all classes and environments, whilst society accepts the phenomenon with complacency

The ethanol race

December 1, 2006 12:00 am Published by

Researchers look for solutions that will reduce alcohol costs

Track-cleaner

December 1, 2006 12:00 am Published by

Spraying system eliminates weeds that hinder the locomotion of trains