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Science News for October 4, 2020


A tale of two cesspits: DNA reveals intestinal health in Medieval Europe and Middle East

A new study analyzed DNA from medieval latrines in Jerusalem and Riga, Latvia, providing insights into the microbiomes of pre-industrial agricultural populations. The findings highlight the value of ancient latrines as sources of bio-molecular information and may provide context for interpreting modern microbiome health.

SourceMax Planck Institute of Geoanthropology·JournalPhilosophical Transactions of the Royal Society of London (B )·DateOct 4, 2020

Air stable intrinsically stretchable color-conversion layers for stretchable displays

Researchers at Seoul National University have developed an air-stable color conversion layer using perovskite nanocrystals and a flexible polymer matrix, enabling the creation of stretchable displays that can be bent, stretched, and attached to the skin. The new material has shown improved stability and photoluminescence intensity unde...

SourceSeoul National University·JournalAdvanced Materials·DateOct 4, 2020

A tale of two cesspits: DNA reveals intestinal health in Medieval Europe and Middle East

A new study characterizes the microbial diversity of ancient gut contents from medieval latrines, providing insights into pre-industrial agricultural populations' microbiomes. The research highlights the value of ancient latrines as sources of bio-molecular information, shedding light on the health of modern microbiomes.

SourceUniversity of Cambridge·JournalPhilosophical Transactions of the Royal Society of London (B )·DateOct 4, 2020

All-2D light-emitting field-effect transistors

Researchers have developed a new type of transistor that can emit strong light, overcoming previous limitations. By modulating the contacts and channel with separate three gates, the polarity and light emission can be controlled, showing great promises for multi-digit logic devices and highly integrated optoelectronic circuitry.

SourceSeoul National University·JournalAdvanced Materials·DateOct 4, 2020

How the brain helps us navigate social differences

Researchers found that brain activity increased in the left dorsolateral prefrontal cortex when participants conversed with someone of a different socioeconomic background. This increase in activity suggests that our brains have developed a system to help us deal with diversity, supporting previous research on frontal lobe systems and ...

SourceUniversity College London·JournalSocial Cognitive and Affective Neuroscience·DateOct 4, 2020