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Tech Xplore / Two molecules work together to seal microscopic gaps in perovskite solar cells

A research team has developed a dual-molecule passivation technology that simultaneously improves the efficiency and stability of inverted perovskite solar cells. The research is published in the journal ACS Applied Materials ...

13 hours ago
Phys.org / Young sunlike system reveals comets may carry water toward forming planets

Astronomers at Lund University in Sweden have found evidence of exocomets—comets in other solar systems—orbiting a young star similar to our sun. The observations point to a possible mechanism for how water might be transported ...

16 hours ago
Phys.org / New nanostructure makes non-linear light conversion 72,000 times more efficient

Researchers from Graz University of Technology (TU Graz), Harvard and the University of Texas at Austin (UT Austin) have developed an innovative method for coupling light non-linearly. This opens up new possibilities for ...

14 hours ago
Medical Xpress / Fertility may drive a woman's desire for luxury

Hormonal fluctuations associated with fertility are associated with a greater tendency for women to use conspicuous luxury symbols, potentially to be noticed by men, according to a study published in PLOS One by Aekyoung ...

14 hours ago
Medical Xpress / Giardiasis cases are rising in England: Should we be worried?

Cases of giardiasis, an intestinal infection that causes diarrhea, bloating and gas, have reached their highest level in England since 2016, according to newly published data from the UK Health Security Agency (UKHSA).

8 hours ago
Medical Xpress / Genetics of personality may shape more life outcomes than previously thought

An international consortium of researchers found that more than 1,200 different genetic variants are associated with the Big Five personality traits—and, surprisingly, these personality genetics are linked to dozens of life ...

17 hours ago
Tech Xplore / Laser-printed PVC interface tracks finger direction and speed without wiring

Touchscreens and other touch-based controls, from smartphones and tablets to smart devices and wearable electronics, have become part of everyday life. However, many touch interfaces depend on batteries, external power, electrodes ...

14 hours ago
Phys.org / Caterpillar twitches in an ultraquiet chamber help biologists understand how these insects hear without ears

In a quiet summer garden, a caterpillar perches on a branch, munching serenely on leaves. A moment later, it freezes. It senses danger—and just in time. From behind, a wasp approaches, sizing up its prey.

9 hours ago
Phys.org / Eight-letter DNA alphabet is accurately transcribed by a natural enzyme

All known life on Earth uses the same genetic alphabet, consisting of four letters. Now, researchers at the University of California San Diego have demonstrated that one of biology's most essential enzymes can accurately ...

23 hours ago
Medical Xpress / Runner's high study finds cannabis-like signaling molecules rise over extreme distances

A marathon, 100 kilometers (62 miles) or even 230 kilometers (143 miles) in a single effort: Anyone running such distances puts enormous strain on their body. At the same time, levels of the body's own cannabis-like signaling ...

15 hours ago
Tech Xplore / Personality pairing improves human-AI collaboration

While artificial intelligence (AI) is receiving increased attention for its potential to improve productivity and performance, results can vary widely across different tasks, industries and individuals. Developers can now ...

16 hours ago
Medical Xpress / Blocking a microRNA reverses deadly lung disease in multiple models

Researchers blocked a naturally occurring molecule to reverse pulmonary arterial hypertension in preclinical models, a finding that could point to a new treatment approach for people with a rare and often fatal lung disease.

14 hours ago