Dam removal study reveals river resiliency

More than 1000 dams have been removed across the United States because of safety concerns, sediment buildup, inefficiency or having otherwise outlived usefulness. A paper published today in Science finds that rivers are resilient ...

Micro transistor prototypes map the mind

(Phys.org) —To make better mind maps, a group of French scientists – building on prototypes developed at the Cornell NanoScale Science and Technology Facility (CNF) – have produced the world's first microscopic, organic ...

Kaspersky warns phone users of PC-infecting malware

(Phys.org)—Kaspersky Lab has a new warning for smartphone and tablet users. Yes, it's all about Android. No, it's not like anything you've been warned about before. Lab Expert Victor Chebyshev has discovered a new attack ...

Progress in using magnetic fields to target tumors

(Phys.org)—Since the advent of cancer nanotechnology, researchers have sought to use magnetic fields to increase the concentration of drug-loaded iron oxide nanoparticles that reach a tumor. However, magnetic fields drop ...

Study underscores uncertain costs of iron fertilization

As society grapples with the intensifying consequences of climate change, decision-makers are increasingly looking to carbon dioxide removal as a necessary complement to emission reductions. One of the strategies that has ...

A path to achieve a net-zero greenhouse gas economy

Anew report co-authored by 68 scientists from more than a dozen institutions—including the University of Pennsylvania—offers a first-of-its-kind high-resolution assessment of carbon dioxide (CO2) removal (CDR) in the ...

page 3 from 9