The Arctic is changing rapidly, and scientists have uncovered a powerful mix of natural and human-driven processes fueling that change. Cracks in sea ice release heat and pollutants that form clouds ...

Engineers use feedback loops — typically negative feedback is more useful, but positive feedback is needed for oscillators. Negative feedback in an amplifier circuit, which has a negative loop gain, ...

Earlier this month, scientists announced that humanity has kicked off the first major “tipping point” — in which an Earth system dramatically transforms, often permanently — as warm-water corals die ...

Researchers have discovered dozens of new methane seeps littering the ocean floor in the Ross Sea coastal region of Antarctica, raising concerns of an unknown positive climate feedback loop that could ...

Cracker Barrel has made its way into the internet zeitgeist as the hybrid restaurant and country store has been rolling out its redesigned interiors and new logo to mixed reviews, but its CEO told ...

Abstract: This paper considers an output consensus problem for a group of heterogeneous positive multi-agent systems over time-varying graphs. This problem has been partially discussed in the ...

As a journalist, I’ve spent years reporting on artificial intelligence. I’ve traveled to four continents to interview headline-making AI luminaries and unsung researchers doing vital work, as well as ...

Rochester residents provided feedback on the Inner Loop North Transformation Project, which aims to replace an expressway with a street grid and redevelop 22 acres. The project is in early stages, ...

It’s easy to dwell on the difficulty and pain of recovery from an eating disorder. But it’s important to attend to the beauty of it too. One of the forms of beauty involved in restoring yourself to ...

It's about as remote as it gets, yet what happens in the Southern Ocean near Antarctica impacts all of us. And what's going on down there? Over the past few years, researchers have discovered dramatic ...