Scientists just created exotic new forms of matter that shouldn’t exist

From a geothermal hotspot to the one-time “Lighthouse of the Pacific,” the heat is on beneath the volcanic landscape of western El Salvador.

In the past, scientists thought that prehistoric peoples only traveled briefly through high-altitude mountain areas, rather than staying to take advantage of their resources. But new evidence suggests that, starting about 5,500 years ago, a prehistoric community repeatedly climbed up to Cave 338, 2,235 meters above sea level in the Pyrenees, to collect and process malachite for copper—returning many times over thousands of years. Additional finds, including jewelry, suggest that much more remain

On a March afternoon, artificial intelligence detected something resembling smoke on a camera feed from Arizona's Coconino National Forest. Human analysts verified it wasn't a cloud or dust, then alerted the state's forest service and largest electric utility.

Why do so many people lose control over their internet use? While age limits for social media are being debated, many adults also spend hours online every day. For some, this becomes a burden, affecting mental health, daily life and relationships. A new study led by Professor Matthias Brand (University of Duisburg-Essen) now sheds light on why it is so difficult to disengage from the screen.