Fossilized skeletons resembling a mythical ‘hobbit’ creature represent an entirely new species in humanity’s evolutionary chain, according to researchers. Cutting-edge 3D modeling technology was used to connect the fossilized hominid skeletons of the so-called “hobbit people,” or Homo floresiensis to the human evolutionary chain.
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Adult cells, from both humans and mice, can be converted into embryonic stem cell-like cells using a single virus to insert four reprogramming genes into the cells’ genomes. Previous reprogramming approaches have relied on four separate viruses, one virus for each gene, to deliver the genes to cellular nuclei. Because this new method inserts the [...]
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We’ve all experienced a ‘good cry.’ But why is crying beneficial? And is there such a thing as a ‘bad cry’? A new report describes some recent findings about the psychology of crying. Analysis of the detailed accounts of more than 3,000 recent crying experiences found that the benefits of crying depend entirely on the [...]
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A heart damaged by heart attack is usually broken, at least partially, for good. The injury causes excessive scar tissue to form, and this plays a role in permanently keeping heart muscle from working at full capacity.
NASA researchers have since analyzed data from NASA’s Aura and Terra satellites that show how key pollutants responded to the Olympic restrictions in China.
Research suggests that it takes “gross” messaging to get undergraduate students to wash their hands more frequently after going to the bathroom.
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Sure, they’re polygamous, but male emus and several other ground-dwelling birds also are devoted dads, serving as the sole incubators and caregivers to over-sized broods from multiple mothers. It is rare behavior, but research described in Science found that it runs in this avian family, all the way back to its dinosaur ancestors.
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A vigorous 60-minute workout on a treadmill affects the release of two key appetite hormones, ghrelin and peptide YY, while 90 minutes of weight lifting affects the level of only ghrelin. The research shows that aerobic exercise is better at suppressing appetite than nonaerobic exercise and provides a possible explanation for how that happens. This [...]
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Barry Sanders, director of the University of Calgary’s Institute for Quantum Information Science, is hoping computer animation can help the public better understand quantum physics. Videos are published for the first time in the New Journal of Physics. For the first time, a detailed description on the making of Sanders’ animation — Solid State Quantum [...]
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A possible new therapeutic target for pancreatic cancer, the most lethal form of human cancer, has been identified in the proteins whose DNA recipe comes from the gene, “Seven-In-Absentia.”