Scientists and growers are in a bitter fight against citrus greening, a disease that has devastated Florida's orange and grapefruit crops. They fear that unless scientists find a cure for greening soon, it's just a matter of time before economic realities and the disease force growers out of business.
Gen. Prayuth Chan-ocha hinted that a coup was possible amid violence in the streets between supporters and opponents of Prime Minister Yingluck Shinawatra.
In the 1960s, catching a flight wasn't much of a hassle. No lines, no security screenings and no need to show ID. But the ease of travel brought with it some serious consequences.
North Dakota and western Canada are producing crude oil faster than rail cars and pipelines can take it to refineries. Now, one company wants to ship it by barge across the Great Lakes. That worries environmentalists, who say a 2010 tar sands oil spill near Lake Michigan has yet to be fully cleaned up.
As baby boomers retire and drilling increases, energy companies are hiring, adding 23 percent more workers between 2009 and 2012. But the hiring spree has come with a terrible price: Last year, 138 workers were killed on the job, twice as many as in 2009.
Is that a cross? A ship with a figurehead? It's only human to wonder what the future will hold, especially on the threshold of a new year. In one German tradition, fortune-seekers drop molten lead into cold water — then it's anyone's guess what the strange shapes portend.
The 113th Congress has come to be defined more by what it failed to do than what it did. But the two warring parties controlling either end of Capitol Hill managed to accomplish a few things in 2013.
Bloomberg reduced smoking in New York City but failed to match that much copied success with other campaigns, such as one to lower obesity rates by regulating the size of sodas sold in city fast-food restaurants.
Last year, conservatives rallied around Chick-fil-A's president. Now, some are doing the same for Duck Dynasty star Phil Robertson, who was briefly suspended from his show for things he said about homosexuals. And they're planning a similar show of support.
At least three people are dead and more than 250 arrested just days after the Muslim Brotherhood was declared a terrorist organization.
Over the past year, a roaring debate has erupted among physicists about what exactly would happen if you fell into a black hole. Would it be "spaghettification," or a quantum firestorm and oblivion where space ceases to exist? The answer has big implications for fundamental physics.