Astronomy

Using gamma-ray bursts to probe origin of star formation excess discovered by Webb

Among its other notable achievements and puzzles, the James Webb Space Telescope (JWST) has found a larger number of bright galaxies in the distant universe than was expected. While scientists are still debating the excess, ...

Archaeology

'Getting high' in Paleolithic hunting: Elevated positions enhance javelin accuracy but reduce atlatl efficiency

A recent experimental study led by Kent State University and the Cleveland Museum of Natural History suggests that hunting from elevated positions significantly increases the performance of thrown javelins while potentially ...

It's twins! Mystery of famed brown dwarf solved

Hundreds of papers have been written about the first known brown dwarf, Gliese 229B, since its discovery by Caltech researchers at the Institute's Palomar Observatory in 1995. But a pressing mystery has persisted about this ...

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Tech Xplore

Engineers develop new method for ultra-clean biofuel combustion

In new research published in the journal Fuel, Baylor University researchers with the Cornerstone Atomization and Combustion Lab (CAC) have unveiled a pioneering method for the efficient combustion of biofuels, using a revolutionary ...

Understanding landslides: A new model for predicting motion

Along coastal California, the possibility of earthquakes and landslides is commonly prefaced by the phrase, "not if, but when." This precarious reality is now a bit more predictable thanks to researchers at UC Santa Cruz ...

Team identifies origin of deadly ovarian cancer

Researchers have identified the origin of ovarian cancer that develops in the fallopian tube, which opens doors to discovering new methods for diagnosing the disease and potential therapies.

Chickpeas identified as key crop for future food security

Climate change has a negative impact on food security. An international research team led by Wolfram Weckwerth from the University of Vienna has now conducted a study to investigate the natural variation of different chickpea ...

Mechanism of cobalt–manganese catalysts deciphered

Conventional catalysts for hydrogen production via water electrolysis usually contain precious metals and are expensive. However, cheaper alternatives have been developed, for example cobalt–manganese catalysts. They have ...

Researchers gain new insights on river dynamics

A river's only consistent attribute is change. As the Greek philosopher Heraclitus remarked, "No man ever steps in the same river twice." Although this dynamic nature is often out of sight and mind, forgetting about it has ...

Problems with reproduction in birds

In birds and other species alike, pairs can face considerable difficulties with reproduction. Scientists at the Max Planck Institute for Ornithology in Seewiesen have now shown in an extensive analysis of 23,000 zebra finch ...

Breaking COVID-19's 'clutch' to stop its spread

Scripps Research chemist Matthew Disney, Ph.D., and colleagues have created drug-like compounds that, in human cell studies, bind and destroy the pandemic coronavirus' so-called "frameshifting element" to stop the virus from ...

HPV vaccine effective against cervical cancer

Women vaccinated against HPV have a significantly lower risk of developing cervical cancer, and the positive effect is most pronounced for women vaccinated at a young age. That is according to a large study by researchers ...

Coral's resilience to warming may depend on iron

How well corals respond to climate change could depend in part on the already scarce amount of iron available in their environment, according to a new study led by Penn State researchers. The study reveals that the combination ...

Slowing the clockwork

Progress on the way to smart nanomachines: LMU chemists have modified the synthesis of a molecular motor so as to reduce the speed of its light-driven rotation, thus permitting the researchers to analyze the mechanism of ...

300,000 women are missing from economics

Economics is an overwhelmingly male field; and the problem is not going away. Less than a third of economics students today are women. A pervasive myth about the missing women students in economics – about 300,000 of them ...

Downed trees not necessarily a lost cause

Among the devastation wrought by Hurricane Irma last week, many downed trees and uprooted plants were left in the storm's wake. Those in a rush to get things back to normal have been quick to break out the chainsaws and remove ...

Nanocapsules enable cell-inspired metabolic reactions

Researchers at the University of Basel succeeded in developing capsules capable of producing the bio-molecule glucose-6-phosphate that plays an important role in metabolic processes. The researchers were able to produce the ...

How animals vote to make group decisions

Today we opt for ballot boxes but humans have used numerous ways of voting to have their say throughout history. However, we're not the only ones living (or seeking to live) in a democratic society: a new study has suggested ...

The sublime challenge of jet noise

Humans make a lot of noise. The riffs of heavy metal bands like Metallica and Kiss have soared to levels in the 130-decibel range, levels sure to lead to auditory damage.