Knowtex

This infographic compare free running and shoes running.

The consequences of psychological stress, resulting from racial discrimination, may contribute to racial health disparities in conditions such as cardiovascular disease, diabetes and other age-associated diseases,diabetes and other age-associated diseases.

For the first time in the history of cell biology, cells will compete to become the world's fastest cells.

Barefoot runners are still a tiny number of the more than 43,000 expected to race in the New York City Marathon on Sunday, but organizers say they have seen an increase in runners who are interested in the trend.

Maps of biggest american cities showing the poulation repartition by ethnicity. Each dot reprensents 25 people.

Test psychologique sur des enfants à propos des couleurs de peau. Vidéo probablement légèrement mis en scène afin de frapper un peu plus les esprits.