By Enrique Palacios Costa Rica’s Electric Partnership for Renewable Energy Costa Rica’s ambitious goal to become one of the world’s first carbon-neutral nations by 2021 is a challenging task for a small country where a flourishing middle class is driving demand for more electricity. More and more Costa Ricans are moving into homes with modern conveniences that range from … [Lee más...] about Costa Rica is one step closer to being carbon-neutral
By Marcelo Pérez Alfaro Students often complain that math is difficult to learn, and for many, it is far from their favorite subject. Improving performance is a considerable challenge because the subject is often not taught in an interesting way and not related to problems relevant to students. The state of São Paulo, Brazil launched the Tem+Matemática initiative to … [Lee más...] about Project in Brazil Shows How to Improve Educational Performance
A year ago, when two-year-old Ana visited her aunt Mary, she started telling her stories as soon as they met. She talked about her recent visit to the market. She talked about school. Then she talked about her little sister. Ana’s cousin Angel, also two years old, was visiting Aunt Mary too. However, when Aunt Mary asked him “How are you?” he just said “Fine” and … [Lee más...] about Why do girls talk so much more than boys?
By Adria Natalia Armbrister Can an emergency hotline service reduce violence against women? Colombia finds that it does: women who use the service are 37 percent less likely to report having suffered physical domestic violence and are 16 percent less likely to report having suffered psychological domestic violence. “On May 21, 2014 at around noon, I called the police … [Lee más...] about The 123 Mujer Hotline: Reducing Domestic Violence in Colombia
by Maja Schling We have all marveled at these images: The Earth at night as seen from space, shrouded in hues of dark blues and greys, the distinction between continent and ocean barely perceptible in the darkness. Clearly visible, however, are the bright specks of light distributed across the world, some only dim dots surrounded by blackness, and some larger and brilliantly … [Lee más...] about Night-time lights: Shimmering evidence of development effectiveness?