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TechSnappy DNA: Long strand folds into octahedron
By harnessing the self-assembling properties of DNA, researchers coerced a single strand of the genetic material to assume the shape of an octahedron.
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This article details an advance in human-cloning efforts. The researchers charging into this field think that we should pass laws to keep others from abusing their research. Ha! Do they really think they can keep this genie in a bottle? If this keeps up, it won’t be long before people are cloning themselves and maybe […]
By Science News -
Tailoring Therapies: Cloned human embryo provides stem cells
Scientists have for the first time carried test-tube cloning of a human embryo to the stage at which it can yield stem cells.
By John Travis -
AnthropologyEuropean find gets Stone Age date
A new radiocarbon analysis indicates that a skeleton found more than a century ago in an Italian cave dates to around 26,400 to 23,200 years ago.
By Bruce Bower -
EarthAncient whalers altered arctic lakes
Analyses of sediment and water samples taken from an arctic lake indicate that an ancient whaling community left a mark on the lake’s ecosystem that persists today, even though the settlement was abandoned more than 400 years ago.
By Sid Perkins -
AnimalsHow blind mole rats find their way home
The blind mole rat is the first animal discovered to navigate by combining dead reckoning with a magnetic compass.
By Susan Milius -
Health & MedicineVirus might explain respiratory ailments
Human metapneumovirus, first isolated in 2001, is present in many respiratory infections that had previously gone unexplained.
By Nathan Seppa -
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Your article refers to a virus as a “microbe.” I think of a virus more as a seed or spore. What definition is Science News using for the word? Neil MurphyWalnut Creek, Calif. Medical dictionaries differ in defining viruses as microbes . Merriam-Webster’s Collegiate Dictionary Eleventh Edition ( 2003, Merriam-Webster ) says that viruses are […]
By Science News -
Monkeys heed neural calls of the wild
A part of the brain that's involved in sound processing shows pronounced activity when rhesus monkeys hear their comrades vocalizing but not when the same animals hear other sounds.
By Bruce Bower -
AstronomyPoof goes an atmosphere
Blasted by the heat and radiation from its parent star, a planet 150 light-years from Earth is literally blowing off its atmosphere.
By Ron Cowen -
Bacteria do the twist
A newly identified bacterial protein generates the sinuous shapes of some bacteria.
By John Travis -
TechDiagnosing the Developing World
Researchers are learning how to adapt sophisticated technologies to meet the health-care needs of the developing world.