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Thursday, January 17, 2019

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 climate change globe

The World is Watching Cities, Now More than Ever. The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. As the world moves forward from Paris, we're showcasing stories that help explain why cities are so critically important for implementing on the goals set forth in that historic accord. See the world turning green in support of the Paris Climate Accord and the future of our planet. After the Climate Accord was signed the  road from Paris moved through member cities Beijing for the Second China-U.S. Climate-Smart Low-Carbon Cities Summit; Singapore for the World Cities Summit; Quito for Habitat III; and now culminates in Mexico City for the sixth biennial C40 Mayors Summit and C40 Cities Awards.

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Bigstock Marijuana Plant

As medical marijuana gains acceptance around the world, Israel is drawing interest from investors for its "botanical high-tech" medical cannabis.According to Michael Dor, the senior medical adviser in the Israeli Health Ministry's cannabis unit, Israel's agricultural leaders support the exportation of cannabis, while police, army and executive branch members are opposed to it, afraid of being known as exporters of "weapons and marijuana."

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radio_telescope

From building the biggest experiments the world has ever seen to rolling out the latest medical advances on a massive scale and pushing the boundaries of exploration from the deepest ocean to outer space - China's scientific ambitions are immense. Just a few decades ago the nation barely featured in the world science rankings. Now, in terms of research spending and the number of scientific papers published, it stands only behind the US. But despite this rapid progress, China faces a number of challenges. Here are two key science projects that illustrate its enormous strengths, as well as some of its weaknesses, and may help answer the question whether China can become a global leader in research.

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Albrecht Dürer Melencolia I detail 

Albrecht Dürer (May 21, 1471 – April 6, 1528) was a German painter, printmaker, mathematician, engraver, and theorist from Nuremberg.  His introduction of classical motifs into Northern art, through his knowledge of Italian artists and German humanists, have secured his reputation as one of the most important figures of the Northern Renaissance. This is reinforced by his theoretical treatises, which involve principles of mathematics, perspective and ideal proportions.His prints established his reputation across Europe when he was still in his twenties, and he has been conventionally regarded as the greatest artist of the Northern Renaissance ever since.

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 Mixtec funerary mask

In the decades after Hernán Cortés invaded Mexico, one of the worst epidemics in human history swept through the new Spanish colony. A mysterious disease called “cocolitzli” appeared first in 1545 and then again in 1576, each time killing millions of the native population. “From morning to sunset,” wrote a Franciscan friar who witness the epidemic, “the priests did nothing else but carry the dead bodies and throw them into the ditches.”  A New Clue to the Mystery Disease That Once Killed Most of Mexico. It comes from the 16th-century victims’ teeth.