Por do Sol 21/08/2012
*Por o Sol em Porto Alegre ontem 21/08/2012* Primavera antecipada de um mês...
Estado das Cidades da AL e Caribe
ONU-Habitat presenta el Estado de las Ciudades de América Latina y el Caribe *Rio de Janeiro, Brasil. 21/08/2012.* *[image: SOLACC 2012 captura]>> Descargue aquí el informe completo!* *América Latina y el Caribe ha llegado a un punto de inflexión.* Después de décadas de crecimiento urbano acelerado y demandas sociales insatisfechas, la región necesita prepararse para una nueva transición urbana. La información consta en el Estado de las Ciudades de América Latina y el Caribe, informe que será presentado hoy en Rio de Janeiro y Ciudad de México. El lanzamiento en México se realiza dentr... mais »
World Development Report 2012
*Gender Equality an Development* The lives of girls and women have changed dramatically over the past quarter century. The pace of change has been astonishing in some areas, but in others, progress toward gender equality has been limited—even in developed countries. This year's World Development Report: Gender Equality and Development argues that gender equality is a core development objective in its own right. It is also smart economics. Greater gender equality can enhance productivity, improve development outcomes for the next generation, and make institutions more representative.... mais »
Financing health
*Health systems financing: the path to universal coverage* Good health is essential to human welfare and to sustained economic and social development. WHO's Member States have set themselves the target of developing their health financing systems to ensure that all people can use health services, while being protected against financial hardship associated with paying for them. - The world health report - Health systems financing: the path to universal coverage Introduction The world health report, first published in 1995, is WHO's leading publication. The report combines an ... mais »
Dementia
Dementia: a public health priority Dementia is a syndrome that affects memory, thinking, behaviour and ability to perform everyday activities – usually of a chronic or progressive nature. The number of people living with dementia worldwide is currently estimated at 35.6 million. This number will double by 2030 and more than triple by 2050. Launch of the report "Dementia: a public health priority" The report has been jointly developed by WHO and Alzheimer's Disease International. The purpose of this report is to raise awareness of dementia as a public health priority, to articulate a...mais »
DNA storage
Harvard cracks DNA storage, crams 700 terabytes of data into a single gram - By Sebastian Anthony on August 17, 2012 at 10:22 am [image: DNA strand, over a page of TGAC base pairs] A bioengineer and geneticist at Harvard’s Wyss Institute have successfully stored 5.5 petabits of data — around 700 terabytes — in a single gram of DNA, smashing the previous DNA data density record by a thousand times. The work, carried out by George Church and Sri Kosuri, basically treats DNA as just another digital storage device. Instead of binary data being encoded as magnetic regions on a hard ... mais »
Genética gastronômica
Science on the Silk Road: Taste for adventure Scientists have travelled the ancient Silk Road to understand how genes shape people's love for foods. - Alison Abbott 15 August 2012 Researchers have studied genes and food preferences in populations from Georgia to Kyrgyzstan (pictured). LISA ZILLIO/SISSA MEDIALAB Article tools It wasn't quite the lowest point of the expedition. But Paolo Gasparini was decidedly uncomfortable at a banquet in the small town of Alga, Kazakhstan, when he was given the honour of dividing a boiled sheep's head among the gathering. He could sense the sile... mais »
Fotosíntese em insetos
É descoberta superfamília de insetos que realiza fotossíntese Tudo indica que nossos livros de Biologia sofrerão nova revisão este ano, principalmente no que tange à diferenciação entre animais e vegetais. Afinal foi confirmada a capacidade da superfamília dos afídeos de realizar fotossíntese de acordo com o artigo “Light- induced electron transfer and ATP synthesis in a carotene synthesizing insect” publicado na revista Nature desta semana pelos pesquisadores franceses Jean Christophe Valmalette, Aviv Dombrovsky, Pierre Brat, Christian Mertz, Maria Capovilla e Alain Robichon.Tudo in... mais »
We Think We Know
Testing What We Think We Know By H. GILBERT WELCH Published: August 19, 2012 Enlarge This ImageHanover, N.H. Leigh Guldig Related in Opinion - Times Topic: Health Care [image: Opinion Twitter Logo.] BY 1990, many doctors were recommending hormone replacement therapy to healthy middle-aged women and P.S.A.screening forprostate cancer to older men. Both interventions had become standard medical practice. But in 2002, a randomized trial showed that preventive hormone replacementcaused more problems (more heart disease and breast cancer) than it solved (fewer hip fractures and col... mais »
Cats and suicide
Common parasite in cats may trigger suicide attempts A parasite thought to be harmless and found in many people may actually be causing subtle changes in the brain, leading to suicide attempts August 17, 2012 *[+]*[image: Toxoplasma_gondii] The Toxoplasma gondii parasite has been linked to inflammation in the brain, damaging cells (credit: Michigan State University) New research appearing in the August issue of *The Journal of Clinical Psychiatry* adds to the growing worklinking an infection caused by the Toxoplasma gondii parasite, hosted in cats, to suicide attempts. About 10-20 perc... mais »
diagnosing neural diseases through the eyes
How to diagnose neural diseases through the eyes using color codingAugust 17, 2012 *[+]*[image: fluorescent_probes] Fluorescent probes change color depending on what type of amyloid they encounter (credit: Kevin Cao et al./Journal of the American Chemical Society) Sticky plaques of proteins called amyloids mark several different, though related degenerative brain diseases, including Alzheimer’s, Parkinson’s and Creutzfeld-Jacobs. The symptoms of these disorders overlap and methods to diagnose and monitor them are not very advanced. To solve this problem, scientists at the University ... mais »
Brain age
Brain scans don’t lie about ageAugust 17, 2012 *[+]*[image: developmental_clock_ucsd] The “developmental clock” shows increases and decreases in brain’s cortical surface, as well as the dynamic cascade of many other brain measures, all changing with increasing age (from age 3-20) (credit: University of California San Diego of Medicine) Sophisticated brain scans can be used to accurately predict age, give or take a year. “We have uncovered a ‘developmental clock’ of sorts within the brain — a biological signature of maturation that captures age differences quite well, regardless of ot... mais »
Alzheimer's Rise
Alzheimer's Rise: People Want to Know By Michelle Andrews, Kaiser Health News Published: August 17, 2012 Alzheimer's disease can't be prevented or cured, and it ranks second only to cancer among diseases that people fear. Still, a study last year found that about two-thirds of respondents would want to know if they were destined to get the disease. Although there are no definitive tests that predict whether most people will get the disease, people sometimes want such information for legal and financial planning purposes or to help weigh the need for long-term-care insurance. Curren... mais »
From waste to energy
In Fuel Cells, Some Hope for Urban SanitationBy SOPHIA LI [image: Green: Science] As more and more people around the world flock to cities, urban areas in developing nations are struggling to keep up with the human influx and the waste that people produce. In 2010 roughly 2.5 billion people lacked basic sanitation, according to the World Health Organization. [image: Microbes on the anode (shown in green) break down the organic material in wastewater, producing carbon dioxide, protons and electrons.]Energy Environ. Sci., 2012Microbes on the anodes (shown in green) break down the orga... mais »
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