Earth Sciences

Predicting drought in the American West just got more difficult

People hoping to get a handle on future droughts in the American West are in for a disappointment, as new USC-led research spanning centuries shows El Niño cycles are an unreliable predictor.

Archaeology & Fossils

6,600-year-old gravesites in Poland suggest wealth gap existed earlier than thought

A team of researchers from Sweden, the U.S., Poland and the U.K. has found evidence that suggests the wealth gap in human communities goes back at least 6,600 years. In their paper published in the journal Antiquity, the ...

Authors' 'invisible' words reveal blueprint for storytelling

The "invisible" words that shaped Dickens classics also lead audiences through Spielberg dramas. And according to new research, these small words can be found in a similar pattern across most storylines, no matter the length ...

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Medical Xpress

Diseases, Conditions, Syndromes
Brazil near 100,000 deaths from COVID-19
Diseases, Conditions, Syndromes
Coronavirus deaths in Latin America hit global high

Tech Xplore

Programmable synthetic materials

Artificial molecules could one day form the information unit of a new type of computer or be the basis for programmable substances. The information would be encoded in the spatial arrangement of the individual atoms—similar ...

Highly sensitive dopamine detector uses 2-D materials

A supersensitive dopamine detector can help in the early diagnosis of several disorders that result in too much or too little dopamine, according to a group led by Penn State and including Rensselaer Polytechnic Institute ...

A titanate nanowire mask that can eliminate pathogens

Filter 'paper' made from titanium oxide nanowires is capable of trapping pathogens and destroying them with light. This discovery by an EPFL laboratory could be put to use in personal protective equipment, as well as in ventilation ...

Algorithm predicts the compositions of new materials

A machine-learning algorithm that can predict the compositions of trend-defying new materials has been developed by RIKEN chemists1. It will be useful for finding materials for applications where there is a trade-off between ...

Origins of life: Chemical evolution in a tiny Gulf Stream

Chemical reactions driven by the geological conditions on the early Earth might have led to the prebiotic evolution of self-replicating molecules. Scientists at Ludwig-Maximilians Universitaet (LMU) in Munich now report on ...

Cluster's 20 years of studying Earth's magnetosphere

Despite a nominal lifetime of two years, ESA's Cluster is now entering its third decade in space. This unique four-spacecraft mission has been revealing the secrets of Earth's magnetic environment since 2000 and, with 20 ...

ESA's 'first' satellite: COS-B

This weekend sees the 45th anniversary of the launch of Cos-B, the first satellite to be launched under the banner of the newly created European Space Agency, on 9 August 1975.

Measuring electron emission from irradiated biomolecules

When fast-moving ions cross paths with large biomolecules, the resulting collisions produce many low-energy electrons which can go on to ionize the molecules even further. To fully understand how biological structures are ...

Updating Turing's model of pattern formation

In 1952, Alan Turing published a study which described mathematically how systems composed of many living organisms can form rich and diverse arrays of orderly patterns. He proposed that this 'self-organization' arises from ...