(Bac 2013 1er tour Séries A4-A5)
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Since 2000, microcredit institutions have been mushrooming in Africa, resulting in many success stories of poverty reduction among many women on the continent. It is hoped that, through campaigning for microcredit, more than 170 million vulnerable and disadvantaged women will be able to access credit for self-employment and other business services by the end of 2015.
News Corp claims the device, which can be used by both teachers and students, will transform teaching and learning.
A new tablet for the classroom has been unveiled by News Corp as the battle to capture the education technology market heats up.
The Android product, from Rupert Murdoch's education group Amplify, was shown at the South by Southwest (SXSW) conference in Austin, Texas.
As people try to use less energy, and find alternatives to cars, more and more people are buying, and riding, bicycles. But where did the bicycle come from? Who invented this "velocipede"? .
You may be surprised to learn that the humble bicycle was invented several years later than the railway locomotive! But the two-wheeler has come a long way since the day it was invented by a Scottish blacksmith, Kirkpatrick MacMillan, back (it is said) in 1839.
MacMillan developed his bike from an older wheeled vehicle, called a "hobby horse". This was a wooden horse with two wheels. The rider sat on the horse, and pushed the vehicle along with his feet. It was not a very fast or safe vehicle, since it had no steering and no brakes.
Most houses use energy - lots of it. We use energy for heating, lighting, for running our household appliances - TV's, washing machines, fridges, and so on. In winter time, most houses use dozens of kilowatts of electricity every day, or the equivalent in gas.
The house in the photo, on the other hand, uses virtually nothing: most of the energy that it uses comes straight from the sun, the wind or the ground. This is an experimental house at the University of Nottingham, and it could be the kind of house that most people are living in fifty years from now.
During the daytime, it is rarely necessary to turn on an electric light, even in rooms without windows. Sunlight, or daylight, is "piped" through the house, into each room, through special high-reflection aluminium tubes. You can see how well they reflect light, by looking at the reflections of the faces in the picture!
Learning a new language can take a long time. “Humility is essential”, says Georges. “When you are a new to the language, you must be willing to speak like (and in some respects, be treated like) a child”. The book “How to learn a Foreign Language” points out: “you have to let down some of your own self importance and your worries about dignity if you really want to make progress.” So don’t take yourself too seriously. “If you never make mistake, you are not using your new language enough.” Notes Ben.