PET-CT combines the functional information gained through PET with the structural details gained by a CT scan, aiding in early detection of recurrent disease.

MIT physicists improved the stability of optical atomic clocks by reducing “quantum noise” — a fundamental measurement limitation. The work could enable more precise, portable optical atomic clocks that track even tinier intervals of time, up to 100 trillion times per second.

The brain’s mechanisms for repairing injuries caused by trauma or degenerative diseases are not yet known in detail. Now, a study by the University of Barcelona describes a new strategy based on stem cell therapy that could enhance neuronal regeneration and neuroplasticity when this vital organ is damaged. The results reveal that the use of brain-derived neurotrophic factor (BDNF), combined with stem cell-based cell therapies, could help in the treatment of neurodegenerative diseases or brain injuries.

A National Science Foundation grant will support Anne Brown’s goal to enhance the technical and practical data science skills of students studying molecular bioscience.

Wetlands act as nature’s kidneys: They trap sediments, absorb excess nutrients and turn pollutants into less harmful substances. Now, the list of pollutants wetland plants can remove includes per- and polyfluoroalkyl substances (PFAS). From a greenhouse study, researchers in ACS’ Environmental Science & Technology report that moisture-loving yellow flag irises and fungi on their roots are a promising combination for PFAS removal. As part of a constructed wetland, this pair could effectively treat contaminated wastewater.

Plant-based materials have traditionally been used to treat a variety of viral infections. Now, researchers have found that cardamom seed extract, as well as its main bioactive ingredient, 1,8-cineole, can have potent antiviral effects through its ability to enhance the production of antiviral molecules known as type I interferons via nucleic acid ‘sensors’ inside cells.