Difficulties that many women describe as "brain fog" around menopause are real, according to a study in the journal of the North American Menopause Society.
Seismic disturbances may precede tornadoes. Researchers found that before the tornadoes of early March 2012, seismographs recorded atmospheric phenomena.
Inspired by origami, chemists at UT Austin developed a 3-D paper sensor that may be able to test for diseases such as malaria and HIV for less than 10 cents.