A protest of the Keystone XL pipeline last March along its proposed route near Bradshaw, Nebraska.
January 31, 2014 The department's final environmental assessment of the Keystone XL pipeline found that blocking the project probably wouldn't stop the development of Canada's tar sands. But the review didn't endorse the pipeline either. Secretary Kerry — and, ultimately, President Obama — will have the final say.
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Pipefitters work on construction of the Keystone XL Pipeline's southern portion outside Tulsa, Okla., last January.
January 31, 2014 The report concludes that the production of Canada's tar-sand crude, which causes more greenhouse gases than other forms, won't be affected if the pipeline moves forward.
"People like to share, if you give them the opportunity and the choice." — John Wilbanks
James Duncan Davidson/TED
January 31, 2014 Health IT expert John Wilbanks explores whether the desire to protect privacy is slowing research, and if opening up medical data could create a wave of health care innovation.
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A tasseled wobbegong shark (top) lies on the seafloor with the head of a brown-banded bamboo shark in its mouth on the fringing reef of Great Keppel Island on Australia's Great Barrier Reef in August 2011.
January 31, 2014 The dredging operation is part of a plan to expand a coal port in Queensland. Environmentalists have warned that dumping sediment could kill off delicate corals, but park officials said dredging would be "subject to strict environmental conditions."
January 31, 2014 It's been there for thousands, maybe tens of thousands of years — a huge, solid, endless mass of white ice. Then, all of sudden ("It's starting, Adam," says an onlooker) there's a crack, then another, and whoosh, an immense field vanishes — splits, splits again, and right before your eyes (you've got to see this) sinks into the sea. This is how ice leaves our planet.
January 31, 2014 Ectromagnetic theory says there should be a bit of matter that is unipolar: neither north or south. So far no one has found a magnetic monopole, but physicists at Amherst college have come close.
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January 31, 2014 Research explores the consequences of boosting self-esteem when it is not justified. When self-esteem is artificially boosted, it reduces performance and effort — as people seek to protect the fragile gain in self-esteem by withdrawing from effort and the risk of failure. When self-esteem is diminished without justification, people appear to work harder to retrieve lost feelings of self-worth.
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Magellanic penguins strut their stuff on the rocky shoreline of Argentina's Punta Tombo, home to the largest colony of the birds in the world.
January 30, 2014 The world's largest breeding colony of Magellanic penguins is seeing unprecedented deaths among young birds. A scientist who has spent 30 years studying the penguins says that climate change is to blame — triggering, among other things, more heat waves and wetter storms that kill fledglings.
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January 30, 2014 To understand speech, the brain has to quickly recognize the sounds used to form words. Researchers say that process involves groups of highly specialized brain cells that respond to individual sounds produced by the human vocal tract.
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Charles, Prince of Wales, smells before tasting some ice cream during a visit to Gloucestershire. Maybe he was sniffing for fat?
Barry Batchelor/Getty Images
January 30, 2014 Low-fat ice cream just won't cut it for you? Maybe it's your nose telling you it's not the real deal. Researchers have found that people can actually smell differences in dietary fat in food. It's an ability that might have helped our ancestors find the best foods to survive on.
Some men take testosterone hoping to boost energy and libido, or to build strength. But at what risk?
January 30, 2014 Men who take testosterone supplements double their risk of heart attacks, a study finds. That was true for men over 65 and for younger men with heart disease. Testosterone supplements have become increasingly popular as a way to counter flagging libido.
January 30, 2014 There they are, up on the power line, side by side by side by side by side. Starlings, each one like the other — rubber-stamped birds, a mob (or murmuration) of indecipherably similar critters, always the same, sitting or flying. But wait! What if there's such a thing as an Exceptional Starling? I think I've found one (or maybe ... four!), hiding in a video.
An artist's concept of a narrow asteroid belt orbiting a star similar to our own sun.
January 30, 2014 New research shows that a planetary reshuffle might have shaped the ring of rubble between Mars and Jupiter.
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Gas flaring near Highway 85 southwest of Williston. Analysts estimate that almost 30 percent of the gas being produced in the state is burned off.
January 30, 2014 Drillers pumping oil on the Great Plains are also producing a lot of natural gas. But the state doesn't have the infrastructure to transport or store it, so much of that gas isn't being sold — it's being set on fire.
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Playing outside can help kids — and their parents — maintain a healthy weight.
January 29, 2014 Overweight kindergartners are much more likely to be obese by eighth grade compared to their normal-weight peers, a study finds. The solution may be for women to avoid gaining too much weight during pregnancy, researchers say, as well as helping kids get exercise and eat healthy foods.
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