Compounds and Strategies to Get Brain Cells
You can eat your way towards dementia or a strong and healthy brain
Our brain is subject to aging, just like the rest of our body. It is also subject to disease, which is unique in the sense that it can change the very essence of who we think we are.
Alzheimer’s can turn a loved one into a stranger. It can claim memories, personality, and relationships, leaving family members of the afflicted with a haunting echo of someone that once knew them.
Fortunately, even as the disease grows in prevalence, researchers are also learning more about factors that put us at risk, and habits we can cultivate to keep our brain healthy.
Power/Performance Bits: Feb. 8
Transparent sensor; graphene-enhanced heat pipes; large perovskite solar cells.
Transparent sensor
Researchers at Osaka University created a thin, flexible, transparent sensor using silver nanowire networks. High-resolution printing was used to fabricate the centimeter-scale cross-aligned silver nanowire arrays, with reproducible feature sizes from 20 to 250 micrometers. As a proof-of-concept for functionality, they used their arrays to detect electrophysiological signals from plants.
A patterned polymer surface was created to define the subsequent nanowire feature size. Using a glass rod to sweep silver nanowires across the pattern led to either parallel or cross-aligned nanowire networks.
“The sheet resistance of patterns less than 100 micrometers ranged from 25 to 170 ohms per square, and the visible light transmittance at 550 nanometers was 96% to 99%,” said Teppei Araki, an assistant professor at Osaka University. “These values are well-
Adriatic Sea risks turning into a water desert
Overfishing, bottom trawling, pollution, and climate change are seriously threatening the biodiversity of the Adriatic Sea (Photo: Diane Brennan)
The Adriatic Sea risks turning into a water desert, experts warn.
Overfishing, bottom trawling, pollution, and climate change are seriously threatening the biodiversity of the Adriatic.
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Fishing vessels in Otranto, Italy. For almost three years, experts and NGOs have been calling for the establishment of a Fisheries Restricted Area (FRA) in the Strait of Otranto, between the Italian region of Puglia and Albania (Photo: Paolo Margari)