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Showing posts from December 12, 2016

Africa must act now if it is to feed itself in 2050: scientists

By Alex Whiting ROME (Thomson Reuters Foundation) - Africa will be able to grow enough cereals to feed its growing population by 2050, but only if it breaks a culture of complacency and starts now to invest more in agriculture, scientists said on Monday. Sub-Saharan Africa currently imports about 20 percent of its cereal needs, and this could rise to at least 50 percent by 2050, researchers said in a report published on Monday in the Proceedings of the National Academy of Sciences.


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Africa must act now if it is to feed itself in 2050: scientists

By Alex Whiting ROME (Thomson Reuters Foundation) - Africa will be able to grow enough cereals to feed its growing population by 2050, but only if it breaks a culture of complacency and starts now to invest more in agriculture, scientists said on Monday. Sub-Saharan Africa currently imports about 20 percent of its cereal needs, and this could rise to at least 50 percent by 2050, researchers said in a report published on Monday in the Proceedings of the National Academy of Sciences.


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Africa must act now if it is to feed itself in 2050 - scientists

By Alex Whiting ROME (Thomson Reuters Foundation) - Africa will be able to grow enough cereals to feed its growing population by 2050, but only if it breaks a culture of complacency and starts now to invest more in agriculture, scientists said on Monday. Sub-Saharan Africa currently imports about 20 percent of its cereal needs, and this could rise to at least 50 percent by 2050, researchers said in a report published on Monday in the Proceedings of the National Academy of Sciences.


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Rare Elizabethkingia Infections: Report Suggests More Than 1 Source

Exactly how 10 people in Illinois recently became infected with a rare bacterial illness called Elizabethkingia is still a mystery, but a new report finds that there were likely multiple sources for the infections. The Illinois cases came to light after an outbreak of the bacteria sickened nearly 60 people in Wisconsin. To see if there were related cases in Illinois, the state's health department started an investigation, which revealed that at least 10 people in Illinois had been infected with the bacteria Elizabethkingia anophelis between June 2014 and March 2016.


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Search for Alien Life Needs Human Mars Missions, NASA Chief Scientist Says

"I am someone who believes it is going to take humans on the surface [of Mars] … to really get at the question of not just did life evolve on Mars, but what is the nature of that life," Stofan said at a scientific workshop in Irvine, California, hosted by the National Academy of Sciences. The workshop, titled "Searching for Life Across Space and Time," drew together leading scientists who are, through various avenues, working to find signs of alien life in Earth's solar system and beyond. Stofan has argued before for the scientific benefits of a human mission to the Red Planet.


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Mystery Solved! Cause of London's 1952 'Killer Fog' Revealed

London may be known for its drizzly weather, but in 1952 the city's quintessential fog cover turned deadly, and no one knew why — until now. For five days in December 1952, a fog that contained pollutants enveloped all of London.


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Spoiler Alert: Artificial Intelligence Can Predict How Scenes Will Play Out

A new artificial intelligence system can take still images and generate short videos that simulate what happens next similar to how humans can visually imagine how a scene will evolve, according to a new study. Researchers at the Massachusetts Institute of Technology (MIT) pitted two neural networks against each other, with one trying to distinguish real videos from machine-generated ones, and the other trying to create videos that were realistic enough to trick the first system.


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Does Marijuana Use Affect a Person's Vision?

Regular marijuana use may affect how well certain cells in the eye's retina function, a small new study finds. The cells that the researchers focused on in the study, called retinal ganglion cells, are located near the inner surface of the eye's retina. The study included 52 people who had used marijuana at least 7 times per week during the previous month and 24 people who had never used marijuana.


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Plague Strikes 6 Cats in Idaho

Half a dozen pet cats in Idaho were infected with plague this year, according to a new report of the cases. In May through July, veterinarians in Idaho tested 12 cats that had gotten sick, checking to see if the animals were infected with plague. Six of the tests came back positive, according to the report, from the Centers for Disease Control and Prevention (CDC).


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How to Give Better Gifts, According to Science

The researchers suggested that one reason for bad gifts is that the giver and the recipient focus on different things. The giver focuses on the moment of the exchange, wanting to surprise or impress the recipient, while the recipient focuses on the long-term usefulness or practically of the gift. "What we found was that the giver wants to 'wow' the recipient and give a gift that can be enjoyed immediately, in the moment, while the recipient is more interested in a gift that provides value over time," study researcher Jeff Galak, an assistant professor of marketing at Carnegie Mellon University's Tepper School of Business, said in a statement.


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