Pesquisadores de MG criam espuma que absorve agrotóxicos dos alimentos e da água

 

 

 

 

 

Que o plástico é um problema ambiental seríssimo, todos sabemos. Mas suas complicações vão além da poluição e já temos até pesquisas sobre o material estar dentro do nosso corpo. Em uma pesquisa da Universidade Federal de Minas Gerais, a UFMG, cientistas buscavam formas sustentáveis para substituir o plástico e acabaram desenvolvendo uma espuma capaz de reconhecer e absorver herbicidas dos alimentos e da água.

Leer Más




Alienação parental prejudica a saúde mental da criança

 

 

 

 

 

A alienação parental voltou à tona nos últimos dias com a entrevista dada por Sean Goldman, menino que durante anos foi alvo de uma disputa judicial pela sua guarda entre a família brasileira e o pai americano. O rapaz, hoje com 18 anos, afirmou ter sido “vítima de muitas mentiras” contadas pela avó materna, que não queria que o neto voltasse para os Estados Unidos.

Leer Más


When Schools Forgo Grades: An Experiment In Internal Motivation

 

 

 

 

 

 

Lots of factors affect whether and what students learn in school, but most often that conversation gets boiled down into a single letter grade, a symbol of everything a student knows or doesn’t know. Because grades are often required, and easy to understand, they have become the focus for many parents, teachers and students. The problem is that grades are often subjective, arbitrary and can be demotivating to students. They are also gatekeepers for advanced classes and college admissions, so grades can’t be ignored. This complicated dynamic means that grading policies are at the center of discussions around how to change teaching and learning.

Leer Más


Leg Exercise is Critical to Brain and Nervous System Health

 

 

 

 

 

 

Groundbreaking research shows that neurological health depends as much on signals sent by the body’s large, leg muscles to the brain as it does on directives from the brain to the muscles. Published today in Frontiers in Neuroscience, the study fundamentally alters brain and nervous system medicine — giving doctors new clues as to why patients with motor neuron disease, multiple sclerosis, spinal muscular atrophy and other neurological diseases often rapidly decline when their movement becomes limited.

Leer Más