A Nobel Prize Battery

Although they were invented 40 years ago, lithium batteries are still the most efficient batteries we have, and you can find them in everything from smartphones to electric cars. Traditional batteries were made of lead and sulphuric acid, nickel and cadmium, and they were less reliable. In October, John B. Goodenough, M. Stanley Whittingham and Akira Yoshino were awarded the Nobel Prize in Chemistry for their contributions to the development of lithium batteries. Thanks to these three men, each of us can spend a little less time hunting for a plug.

Learn more at Eniday: Energy Is A Good Story

Last week, French President Emmanuel Macron said that NATO was experiencing "brain death," citing a lack of coordination and America's fickleness under Donald Trump as reasons to doubt the alliance's commitment to mutual defense. NATO – the North Atlantic Treaty Organization – was formed in the wake of World War II as a counterweight against Soviet dominance in Europe and beyond. Its cornerstone is that an attack on one member is considered an attack on all. But disagreement about burden sharing has gained increasing salience in recent years. In 2014, the bloc agreed that each member state would increase their own defense spending to 2% of their respective GDP over the next decade. But so far, only seven of 29 members have forked out the money. Here's a look at who pays what.

In the predawn hours of Tuesday morning, Israel launched a precision attack in the Gaza Strip, targeting and killing a Palestinian Islamic Jihad (PIJ) commander. In response, the terror group fired more than 200 rockets at southern Israel. Exchanges of fire have brought cities on both sides of the Gaza border to a standstill and at least eight Palestinians are dead and dozens of Israelis wounded. With this latest escalation, Israel now faces national security crises on multiple fronts. Here's what's going on:

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More Brexit shenanigans: Britons this week saw Prime Minister and Conservative Party leader Boris Johnson endorse Labour Party leader Jeremy Corbyn in upcoming elections. As a special bonus, they got to see Corbyn return the favo(u)r with a formal endorsement of Johnson. Most viewers in the UK will have understood immediately that these are the latest example of "deep fakes," digitally manipulated video images. The more important Brexit story this week is a pledge by Nigel Farage that his Brexit Party will not run candidates in areas held by the Conservatives in upcoming national elections. That's a boost for Johnson, because it frees his party from having to compete for support from pro-Brexit voters in those constituencies.

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80: More than 80 percent of the electronic voting systems currently used in the US are made by just three companies, according to a new report which warns that they are regulated less effectively than "colored pencils."

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