Sep 21, 2011
Information technologies can foster freedom or reinforce repression
The media may portray text messaging and social networks as powerful new weapons for freedom fighters, but these new communication tools may not be as...
Sep 21, 2011
Another step towards resisting breast cancer
Medical researchers have come a step closer to understanding how to stop breast cancers from coming back....
Sep 20, 2011
Stems cells are potential source of cancer-fighting T cells
Adult stem cells from mice converted to antigen-specific T cells -- the immune cells that fight cancer tumor cells -- show promise in cancer immunothe...
Sep 20, 2011
How our liver kills
Our livers can fight back against the immune system - reducing organ rejection but also making us more susceptible to liver disease, report scientists...
Sep 20, 2011
The role of law in fighting non-communicable disease
World leaders gathering at the United Nations in New York this week to discuss non-communicable disease (NCD) such as obesity and diabetes need to con...
Sep 20, 2011
Proton-based transistor could let machines communicate with living things
Human devices, from light bulbs to iPods, send information using electrons. Human bodies and all other living things, on the other hand, send signals ...
Sep 19, 2011
‘Inexhaustible’ source of hydrogen may be unlocked by salt water
A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding car...
Sep 19, 2011
Deforestation reduces rainfall in Africa
Deforestation in the rainforests of West Africa reduces rainfall over the rest of the forest, according to new University of Leeds research published ...
Sep 16, 2011
Some smokers successfully switch to electronic cigarettes
While electronic cigarettes may be a long-term alternative to the real thing for some smokers, Penn State College of Medicine researchers suggest medi...