Monday, June 30, 2014
11 de setembro de 2013 · Destaque
Cerca de 1,3 bilhão de toneladas de alimentos desperdiçados anualmente não só causam grandes perdas econômicas, como também tem impacto significativo nos recursos naturais dos quais a humanidade depende para se alimentar. Essa é a conclusão de um novo relatório da Organização das Nações Unidas para Alimentação e Agricultura (FAO)
Why is the most effective form of birth control—the IUD—also the one no one is using?
Sunday, June 29, 2014
June 20, 2014
Neurogenesis, the self-repairing mechanism of the adult brain by creating new neurons, can help to preserve brain function in neurodegenerative diseases such as Alzheimer’s, Prion, and Parkinson’s, new research led by scientists at theUniversity of Southampton has found.
The progressive degeneration and death of the brain, occurring in many neurodegenerative diseases, is often seen as an unstoppable and irrevocable process.
But now, a research team,… read more
A self-powered cardiac pacemaker
|June 26, 2014|
|A research team from the Korea Advanced Institute of Science and Technology (KAIST) has developed a self-powered artificial cardiac pacemaker operated semi-permanently by a flexible piezoelectric nanogenerator. Currently, pacemaker batteries last seven years on average, requiring frequent replacements, which may pose patients to a potential risk involved in medical procedures. The nanogenerator directly stimulated a … more…|