Humans hastened the extinction of the woolly mammoth

New research shows that humans had a significant role in the extinction of woolly mammoths in Eurasia, occurring thousands of years later than previously thought. An international team of scientists has revealed a 20,000-year pathway to extinction for …

This is how we understand emoji

Even when emoji are used to substitute for words, we still understand the sentence. But how does that work? Do we interpret an emoji primarily as an image or as a word? To find out, a research team asked volunteers to read texts with emoji and measured…

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…