Paper-based test could help prevent food poisoning

Food poisoning is a stomach-churning, miserable condition that sends thousands of Americans to hospital emergency rooms every year. Now scientists report in ACS' journal Analytical Chemistry a simple, paper-based test that ...

Municipalities should promote interculturalism

Accompanied by her husband, a woman goes to the library to borrow a book. When the librarian asks her for ID, her husband intervenes and takes out the woman's card from his pocket. Surprised, the city employee does not know ...