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Monday 1 April 2019

Defining blameworthiness to help make AI moral

Say 100 people live near a lake. If at least 10 of them overfish this year, the entire fish population will die out. Each assumes at least 10 others will overfish, and there won't be anything left to fish in the coming years.

* This article was originally published here

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Stanford autonomous car learns to handle unknown conditions

Researchers at Stanford University have developed a new way of controlling autonomous cars that integrates prior driving experiences—a system that will help the cars perform more safely in extreme and unknown circumstances. Tested at the limits of friction on a racetrack using Niki, Stanford's autonomous Volkswagen GTI, and Shelley, Stanford's autonomous Audi TTS, the system performed about as well as an existing autonomous control system and an experienced racecar driver.

* This article was originally published here

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Marine protected reserves do more than restore fish

In a new analysis of the effectiveness of marine protected areas worldwide, University of Massachusetts Amherst marine ecologist Brian Cheng and colleagues report that reserves not only replenish target fish populations, they also restore ecological functioning. However, not all reserves performed equally well.

* This article was originally published here

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Building blocks of DNA and RNA could have appeared together before life began on Earth

Scientists for the first time have found strong evidence that RNA and DNA could have arisen from the same set of precursor molecules even before life evolved on Earth about four billion years ago.

* This article was originally published here

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'Smart' pajamas could monitor and help improve sleep

If you've ever dreamed about getting a good night's sleep, your answer may someday lie in data generated by your sleepwear. Researchers have developed pajamas embedded with self-powered sensors that provide unobtrusive and continuous monitoring of heartbeat, breathing and sleep posture—all factors that play a role in how well a person slumbers. The "smart" garments could give ordinary people, as well as clinicians, useful information to help improve sleep patterns.

* This article was originally published here

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Pregnant women with long commutes to work at increased risk for adverse birth outcomes

In a study published in Economics & Human Biology researchers from Lehigh University and the University of Wisconsin-Madison found that pregnant women who commute long-distance to work have an increased risk of adverse birth outcomes, including having babies born at a low-birth weight. The study is the first to examine the impact of long-distance commuting during pregnancy on infant health.

* This article was originally published here