Astronomy

Consistency check casts doubt on evolving dark energy

Cosmologists have long struggled to determine whether the universe's accelerating expansion is being driven by a simple cosmological constant, or whether dark energy's influence is evolving over time. In a new analysis published ...

Archaeology

How a 4,000-year-old city defied history's 'rules' by becoming more equal as it became more successful

For decades, historians have generally agreed that the progress of small villages as they evolved into cities came at the price of widening inequality. A small group of leaders, kings and priests, would inevitably seize control ...

Corporate sponsor program

The Future is Interdisciplinary

Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier

Medical Xpress

Tech Xplore

Human cells can exchange genomic DNA that alters cell behavior

Scientists at Children's Medical Center Research Institute at UT Southwestern (CRI) have discovered that large pieces of DNA can transfer directly between human cells, and the DNA can persist and change how the recipient ...

How Himalayan storms humidify the upper atmosphere

A recent study published in Advances in Atmospheric Sciences has uncovered a detailed mechanism through which intense storms over the Himalayas contribute to increasing moisture in the lower stratosphere—a layer of the atmosphere ...

How traffic makes cities warmer

More than half the world's population now lives in cities that are often much hotter than their rural surroundings. Roads, buildings and paved surfaces absorb and store heat during the day, then release it slowly after sunset. ...

Solar power leaves land behind as floating systems gain ground

The effects of global warming are becoming increasingly evident and catastrophic. To prevent irreversible consequences, international scientific consensus emphasizes the importance of mitigating climate change in ways that ...

Open-source AI assistant can improve research workflow

Lehigh University researchers have built the first "AI for Science" software tool designed to support the entire project workflow for research scientists. Dr. Claw is an open-source, full-stack AI research assistant that ...

Counting the overlooked 'hidden homeless'

A person asking for change on the corner or living in a makeshift dwelling outside is easy to identify as homeless or unhoused. But there's a segment of the population without permanent housing that goes unnoticed. Molly ...