New sensor detects ever smaller nanoparticles

Nanoparticles are omnipresent in our environment: Viruses in ambient air, proteins in the body, as building blocks of new materials for electronics, or in surface coatings. Visualizing these smallest particles is a problem: They are so small that they …

Function of mysterious structure found on neurons

Researchers have discovered that mysterious clusters of proteins found on neurons are calcium-signaling ‘hotspots’ that activate gene transcription, allowing neurons to produce crucial proteins. The discovery may help shape new research into the role o…

Environmental implications of ultra-processed foods

A new study finds that over the last 30 years, Brazil has undergone a nutrition transition toward a diet higher in ultra-processed foods, and that of food types consumed, these have been the largest contributor to worsening impacts on greenhouse gas em…