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Artículos sobre United States

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American wolves show us how important large predators are for conservation. Doug McLaughlin

What American wolves can teach us about Australian dingoes

We know that introduced predators such as foxes and cats are one of the greatest threats to Australia’s wildlife, but what is the best way to control them? Many Australian ecologists argue dingoes are…
All a blur. The Alibaba IPO sets a new benchmark. Qilai Shen/EPA

Alibaba’s IPO signals a fresh appetite for Chinese technology

The planned stock market listing of Chinese e-commerce giant Alibaba in New York is a landmark deal for several reasons. The listing is anticipated to become the largest in the US since Facebook’s issue…

US welfare inconsistent

US welfare rates are inconsistent, according to a report by economics professor Robert A. Moffitt. The report showed a decline…
US summers are longer and hotter, which the new report warns is affecting power supplies. Last summer, the Pilgrim nuclear plant near Boston had to reduce its power output because the bay’s water was too warm to cool the reactor. Nuclear Regulatory Commission/Flickr

Obama hits TV with new weather warning, but will viewers tune in?

It’s been talked up as a “game-changing” new report, which shows ordinary Americans how climate change is already affecting their lives on everything from summer heat and power shortages, to pollen allergies…
We got credentialised! climbnh2003

The box-ticking future of a university education

Among the many changes currently sweeping through US public universities is a move away from traditional seat-time in class. Known as “competency-based education”, it is often done online, asking students…
On the retreat. Hedge fund manager Steve Cohen. Justin Lane/EPA

SAC Capital and the curious economics of insider trading

A US judge has approved a US$1.2 billion settlement and accepted a guilty plea by hedge fund SAC Capital in what has been described as the largest insider trading settlement in the country’s history. Eight…
Ukraine got rid of its nuclear weapons in 1994. EPA/Stringer

Ukraine nuclear security fears were exaggerated

As the curtain fell on the 2014 Nuclear Security Summit, the Dutch organisers must surely have experienced mixed emotions: relief that the summit was a success, yet frustration that media attention was…
On message: a pro-Russian newspaper in Simferopol, Crimea. EPA/Yuri Kochetkov

Ukraine, Kremlin propaganda and the Cold War trap

Facebook can be a confusing place. For the follower of Ukrainian and Russian politics the messages could not be more different. At the same time that “Euromaidan PR” is posting pictures of “Putler” and…
Too close for comfort? Narva Bridge on Estonia’s Russian border Hannu

The tiny Estonian town that could spell the end of NATO

The Russian invasion and rapid absorption of the Crimean peninsula might seem like the spark ready to ignite a new Cold War. In fact, given the feeble Western response so far, the more likely outcome is…
Australian Treasurer Joe Hockey hosting the recent G20 finance ministers’ meeting in Sydney, a lead-up event to November’s Brisbane Summit. AAP Image/Dan Himbrechts

Double or nothing: Australia’s G20 energy challenge

When Australia hosts the G20 Leaders’ Summit in November, a top agenda item for its “Brisbane Action Plan” will be “practical actions to improve productivity and competitiveness”. So here’s a good place…

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