Shaking Up the Dinosaur Family Tree
A Ph.D candidate and a computer program that took five minutes to run may upend the dinosaur classification system that has been used for more than a century.
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A Ph.D candidate and a computer program that took five minutes to run may upend the dinosaur classification system that has been used for more than a century.
By NICHOLAS WADE
A group of researchers created a ruse to draw attention to the seamy side of open-access journals, some of which will publish just about anything for a fee.
By GINA KOLATA
“Sheefs” will test the limits of current regulations, experts say, as embryolike structures are created directly from stem cells.
By CARL ZIMMER
Scientists disagree about whether bringing extinct species back from the dead will result in a net loss of global biodiversity.
By STEPH YIN
Americans overwhelmingly believe that global warming is happening, and that carbon emissions should be scaled back. But fewer are sure that it will harm them personally.
By NADJA POPOVICH, JOHN SCHWARTZ and TATIANA SCHLOSSBERG
The White House is preparing to dismantle major policy actions of the Obama era, including a plan to close hundreds of heavily polluting power plants.
By CORAL DAVENPORT
Even fully fledged chicks will hound their parents for food, researchers find.
By NICHOLAS BAKALAR
The microscopic animals were found to produce a unique protein that coats the molecules in their cells in a glasslike substance.
By NICHOLAS ST. FLEUR
A study led by Penn State researchers found more evidence of the relationship between nose shape and the climate where a person’s ancestors lived.
By STEPH YIN
Flowering plants that are blue are rare in nature. But Texas bluebonnets put on an annual show in pastures, parks and highway medians.
By JOANNA KLEIN
Researchers develop a model they hope can be used to understand how dolphins and whales react physiologically to threats from predators and people.
By JOANNA KLEIN
The serendipitous discovery of a fossil in northern Canada suggests that the furry, horned beasts crossed over from Asia more than 130,000 years ago.
By NICHOLAS ST. FLEUR
The search for the Malaysia Airlines jetliner helped create 3-D maps of the ocean’s topographical complexity, at a level of detail never before achieved.
By NICHOLAS ST. FLEUR
With its sharp vision and unique hunting strategy, the robber fly is an imposing aerial predator.
By STEPH YIN