(Credit: leoks/Shutterstock) A new collection of DNA from ancient Romans spanning 12,000 years shows how the population of the empire’s capital shifted along with its politics. Published in Science, the timeline is one of the first to examine what genetic information from archaeological digs says about the region after the time […]

Artist impression of the heart of galaxy NGC 1068, which harbors an actively feeding supermassive black hole, hidden within a thick doughnut-shaped cloud of dust and gas. ALMA discovered two counter-rotating flows of gas around the black hole. The colors in this image represent the motion of the gas: blue […]

Surface atoms on a dust particle (shown in red, white, pink and yellow) impose an arrangement on water molecules (blue) that can promote or inhibit ice formation. Credit: Sapna Sarupria and Ryan DeFever How does ice form? Surprisingly, science hasn’t fully answered that question. Differences in ice formation on various […]

Using C. elegans, Scripps Research neuroscientists Brock Grill, Kirill Martemyanov and Dandan Wang discovered a new genetic regulator of opioid signalling. Credit: Scott Wiseman for Scripps Research A team at Scripps Research in Florida has discovered a biological system that manages cells’ response to opioid drug exposure. The unexpected discovery […]

This popular trade route in the Aegean was a shipwreck graveyard in ancient times. (Image: © Anastasis Agathos/Ephorate of Underwater Antiquities/Hellenic Ministry of Culture and Sports) Ancient sailors courted adventure and risked death on the Aegean Sea. And now divers have discovered five of their approximately 2,000-year-old shipwrecks and a […]