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Materials researchers build longest highly conductive molecular nanowire

Wed, 2022-07-27 10:17
Researchers at Columbia University, supported by a grant from the U.S. National Science Foundation, engineered a nanowire 2.6 nanometers long with quasi-metallic properties and conductance that increases with the wire's length. The breakthrough could…

Faint fossil galaxy found at the Andromeda galaxy’s edge

Wed, 2022-07-27 10:14
An amateur astronomer examining archival data processed by the Community Science & Data Center tipped off astronomers about a smudge of interest in an image he examined as part of an effort by the Víctor M. Blanco 4-meter Telescope at Cerro Tololo…

Citizen astronomer helps identify more than 30 ultracool dwarf binary systems

Tue, 2022-07-26 10:25
A citizen astronomer participating in the U.S. National Science Foundation-supported Backyard Worlds program examined archival data provided by the Community Science & Data Center and found 34 new ultracool dwarf binary systems, nearly twice the…

Engineers use electrolyte to create high-capacity batteries that operate in extreme temperatures

Tue, 2022-07-26 10:24
Engineers at the University of California San Diego supported by a grant from the U.S. National Science Foundation have developed a reliable lithium-ion battery that functions in extreme cold and heat. The team created an electrolyte that allows…

Ancient southwestern desert people ate more, larger, fish than previously thought

Mon, 2022-07-25 09:34
There is a common misconception that Ancestral Pueblo people rarely ate fish. The remains of fish that were eaten by these people are indeed rare at early archaeological sites in the Middle Rio Grande basin of central New Mexico. Now, however…

Destruction and recovery of kelp forests driven by changes in sea urchin behavior

Mon, 2022-07-25 09:33
A dramatic outbreak of kelp-eating purple sea urchins along the Central Coast of California in 2014, leading to a significant reduction in the region's kelp forests, was driven primarily by the emergence of sea urchins from their hiding places rather…

Awash in potential: Wastewater provides early detection of SARS-CoV-2 virus

Thu, 2022-07-21 09:22
Writing in the journal Nature, scientists at the University of California San Diego and Scripps Research, along with local and federal public health officials, describe how wastewater sequencing provided dramatic new insights into levels and variants…

Supercomputing simulation reveals weaknesses in HIV-1 defense

Thu, 2022-07-21 09:22
How HIV-1 infects cells is not fully understood. Discoveries from a recent study have provided new insights, however. Computer scientists at the Texas Advanced Computing Center, supported by a grant from the U.S. National Science Foundation, ran the…

U.S. and U.K. Launch Innovation Prize Challenges in Privacy-Enhancing Technologies to Tackle Financial Crime and Public Health Emergencies

Wed, 2022-07-20 18:06
Today, the U.S. and U.K. governments launched a set of prize challenges to unleash the potential of privacy-enhancing technologies (PETs) to combat global societal challenges. Announced at the Summit for Democracy last year, innovators from academia…

Hidden in caves: Mineral overgrowths reveal unprecedented modern sea level rise

Wed, 2022-07-20 12:44
The early 1900s saw rapid advances in the steel, electric and automobile industries. Those industrial changes also mark an inflection point in the planet’s climate. According to an international team of researchers led by University of South Florida…

Platinum can act as a catalyst for wastewater treatment

Wed, 2022-07-20 12:39
Making wastewater potable has a unique set of challenges, one of which is removing persistent chemicals and byproducts. Aldehydes, a byproduct of wastewater treatment, are toxic to humans. Removing aldehydes from wastewater requires a sustainable…

Borrowed gene helps maize adapt to high elevations, cold temperatures

Tue, 2022-07-19 10:25
Researchers at North Carolina State University have shown that an important gene in maize called HPC1 modulates chemical processes that contribute to flowering time, and has its origins in "teosinte mexicana," a precursor to modern-day corn that…

Researchers uncover life's power generators in Earth's oldest groundwater

Tue, 2022-07-19 10:24
An international team of researchers has discovered 1.2 billion-year-old groundwater deep in a gold and uranium mine in South Africa, shedding more light on how life is sustained below the Earth's surface and how it may thrive on other planets. The…

Evidence that buckyballs and carbon nanotubes form from the dust and gas of dying stars

Mon, 2022-07-18 17:19
Astronomers at the University of Arizona, funded by two grants from the U.S. National Science Foundation, have developed a theory to explain the presence of the largest molecules known to exist in interstellar gas. The team simulated the environment…

Climate change may be culprit in Antarctic fish disease outbreak

Mon, 2022-07-18 17:19
Climate change might be behind an unusual disease outbreak among Antarctic fish, researchers are finding. For a decade, University of Oregon biologists John Postlethwait and Thomas Desvignes have been visiting the West Antarctic Peninsula. They study…

New technology surpasses long-sought solar energy milestone

Thu, 2022-07-14 09:48
Engineers at Princeton University, supported by a grant from the U.S. National Science Foundation, have developed a new class of renewable solar energy technology. The team successfully manufactured a perovskite solar cell that can operate above…

Researchers discover how tuberculosis bacteria mutate to form antibiotic-resistant films

Thu, 2022-07-14 09:48
Tuberculosis, the second leading cause of death globally, is a highly infectious, hard to treat and difficult to contain disease that causes preventable deaths daily. A team of researchers supported by a grant from the U.S. National Science…

Hummingbirds may struggle to avoid climate change

Wed, 2022-07-13 12:06
Climate change is making it more challenging for small animals like hummingbirds to reach heights that allow them to evade the impacts of a warming world. A team of researchers set out to study how Anna's hummingbirds (Calypte anna) would adjust to a…

Researchers study early stages of infant word learning

Wed, 2022-07-13 12:05
Researchers at Indiana University, supported by a grant from the U.S. National Science Foundation, have published the results of their research on how infants put names to objects, a key step in language development. Past research has usually focused…

Statement by Director Sethuraman Panchanathan on NSF ranking in Best Places to Work in the Federal Government

Wed, 2022-07-13 10:30
I am thrilled and proud that the U.S. National Science Foundation recently ranked No. 2 among mid-sized agencies in the 2021 Best Places to Work in the Federal Government®, up from No. 5 last year. At NSF, we value innovation, creativity…