While the latter half of the 20th century showed a widening gap between the more and less educated with respect to marriage and fertility, this trend has not significantly altered the genetic makeup of subsequent generations, a team of researchers has found.
Researchers from Umeå University and the Swedish University of Agricultural Sciences have discovered that increasing levels of CO2 in the atmosphere have shifted photosynthetic metabolism in plants over the 20th century.
People with diabetes, hypothyroidism, obesity and those who are involved in jobs which need high continuous wrist activity, including computer users, typists, dentists and housewives, are at increased risk of carpal tunnel syndrome (CTS).
Adolescents with major depression or bipolar disease face an increased risk of early heart disease and may need early intervention to prevent it, according to a scientific statement from the American Heart Association (AHA).
The United States significantly increased exports of chemical and biological weapons to authoritarian African and Middle Eastern governments during popular uprisings that swept the region in early 2011, according to a report.