MIT breakthrough in deep learning could help reduce errors

Researchers make the case for "deep evidential regression."

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  • MIT researchers claim that deep learning neural networks need better uncertainty analysis to reduce errors.
  • "Deep evidential regression" reduces uncertainty after only one pass on a network, greatly reducing time and memory.
  • This could help mitigate problems in medical diagnoses, autonomous driving, and much more.
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Vegans are more likely to suffer broken bones, study finds

Vegans and vegetarians often have nutrient deficiencies and lower BMI, which can increase the risk of fractures.

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  • The study found that vegans were 43% more likely to suffer fractures than meat eaters.
  • Similar results were observed for vegetarians and fish eaters, though to a lesser extent.
  • It's possible to be healthy on a vegan diet, though it takes some strategic planning to compensate for the nutrients that a plant-based diet can't easily provide.
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Zebrafish give new insight to sound sensitivity in autism

These tiny fish are helping scientists understand how the human brain processes sound.

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  • Fragile X syndrome is a genetic disorder caused by changes in a gene that scientists call the "fragile X mental retardation 1 (FMR1)" gene. People who have FXS or autism often struggle with sensitivity to sound.
  • According to the research team, FXS is caused by the disruption of a gene. By disrupting that same gene in zebrafish larvae, they can examine the effects and begin to understand more about this disrupted gene in the human brain.
  • Using the zebrafish, Dr. Constantin and the team were able to gather insights into which parts of the brain are used to process sensory information.
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Researchers 3D bioprint realistic human heart model for the first time

A new method is able to create realistic models of the human heart, which could vastly improve how surgeons train for complex procedures.

Credit: Carnegie Mellon University College of Engineering
  • 3D bioprinting involves using printers loaded with biocompatible materials to manufacture living or lifelike structures.
  • In a recent paper, a team of engineers from Carnegie Mellon University's College of Engineering developed a new way to 3D bioprint a realistic model of the human heart.
  • The model is flexible and strong enough to be sutured, meaning it could improve the ways surgeons train for cardiac surgeries.
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What ended the Black Death, history's worst pandemic

The bubonic plague ravaged the world for centuries, killing up to 200 million people.

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  • The Plague was the worst pandemic in history, killing up to 200 million people.
  • The disease spread through air, rats, and fleas, and decimated Europe for several centuries.
  • The pandemic eased with better sanitation, hygiene, and medical advancements but never completely disappeared.
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