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Chemistry Nobel Prize goes to quantum dots that guide surgeons

From LED lights to medical imaging, quantum dots have many varied applications.

The creation of quantum dots earned its developers the Nobel Prize in Chemistry 2023, an invention that could have also been a contender for the Physics Prize. These tiny elements of nanotechnology, which are so miniature that their size dictates their properties, are today used in many useful and practical applications and have even been reported to direct surgeons as they tackle tricky tumor tissue.


Nobel Prize/Twitter.

Governed by quantum phenomena.

The Future of Poop

There are a lot of things to detest about poop. It’s poop, for one. It smells. It carries disease. It never stops being produced. But that aside, there’s a lot to like about poop.

It’s one of the world’s most plentiful sources of nutrients for fertilizers. Processed properly, poop can also be converted into electricity. It even be used as new artistic medium, though somebody’s already scooped up the prize for poop painting. As the world’s population grows, both the positive and the negative effects of poop on public health and the environment will only grow, so a burgeoning group of brave scientists are trying to figure out how to make the best of a crappy situation.

How A.I. is helping doctors detect cancer

A study by Northwestern University predicted colonoscopies assisted by artificial intelligence could reduce future cancer diagnoses by up to 39%. NBC medical fellow Dr. Akshay Syal added through deep learning this kind of technology could detect cancer “better than the human eye” by about 13%.

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Resting Heart Rate, Heart Rate Variability: Is 2023’s Data Better Than 2022?

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Inspired by butterfly wings, researchers develop a soft, color-changing system for optical devices

Researchers at the University of Hong Kong (HKU) have designed an innovative pixelated, soft, color-changing system called a Morphable Concavity Array (MoCA).

Pixelated, soft, color-changing systems are malleable structures that can change color by manipulating light. They have applications in a wide range of industries, from medical bandages that change color if there is an infection, to foldable screens on smartphones and tablets, as well as wearable technology where sensors are integrated into the clothing fabric.

The research was co-directed by Professor Anderson Ho Cheung Shum from the Department of Mechanical Engineering at HKU, and Professor Mingzhu Li from the Institute of Chemistry, Chinese Academy of Sciences, and led by Dr. Yi Pan from the Department of Mechanical Engineering at HKU.

Cancer, Metabolism, and Food: A New Way to Look at Potential Therapies

Cancer relies on metabolism pathways to grow, which has Rogel Cancer Center researchers looking at how to use food and diet to exploit cancer’s vulnerabilities as a foundation of new potential therapies.

Learn more about the cancer research being done at University of Michigan Health Rogel Cancer Center: https://www.rogelcancercenter.org/research/programs.

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Study identifies jet-stream pattern that locks in extreme winter cold, wet spells

Winter is coming—eventually. And while the Earth is warming, a new study suggests that the atmosphere is being pushed around in ways that cause long bouts of extreme winter cold or wet in some regions.

The study’s authors say they have identified giant meanders in the global jet stream that bring polar air southward, locking in frigid or wet conditions concurrently over much of North America and Europe, often for weeks at a time. Such weather waves, they say, have doubled in frequency since the 1960s. In just the last few years, they have killed hundreds of people and paralyzed energy and transport systems.

The new paper, titled “Recent Increase in a Recurrent Pan-Atlantic Wave Pattern Driving Concurrent Wintertime Extremes,” appears this week in the Bulletin of the American Meteorological Society.