Study Investigates Whether Blind People Characterize Others by Race
Most people who meet a new acquaintance, or merely pass someone on the street, need only a glance to categorize that person as a particular race. But, sociologist Asia Friedman…
biology
Cellphone Data Can Track Infectious Diseases
Tracking mobile phone data is often associated with privacy issues, but these vast datasets could be the key to understanding how infectious diseases are spread seasonally, according to a study…
Wired For Habit
We are creatures of habit, nearly mindlessly executing routine after routine. Some habits we feel good about; others, less so. Habits are, after all, thought to be driven by reward-seeking…
Loss of Altruism (and A Body Plan) Without A Loss of Genes
The evolutionary loss of the ‘altruistic’ worker caste in ants is not accompanied by a loss of genes, an international team of researchers has found. The results reported in this…
The Evolutionary Link Between Diet and Stomach Acidity
An analysis of data on stomach acidity and diet in birds and mammals suggests that high levels of stomach acidity developed not to help animals break down food, but to…
Cuba Nearly Eliminates Mother-to-Child HIV Infections
Cuba on 30 June became the first country in the world to receive validation from the World Health Organization (WHO) that it has eliminated mother-to-child transmission (MTCT) of HIV and…