ScienceDaily: Top Science News |
- In-sync brain waves hold memory of objects just seen
- Were dinosaurs destined to be big? Testing Cope's rule
- Our solar system is not quite as special as once believed, new research suggests
- NASA rover finds clues to changes in Mars' atmosphere
- World record for entanglement of twisted light quanta
- A new order in the quantum world: Using laser beams scientists generated quantum matter with novel, crystal-like properties
| In-sync brain waves hold memory of objects just seen Posted: 02 Nov 2012 05:51 PM PDT The brain holds in mind what has just been seen by synchronizing brain waves in a working memory circuit, an animal study suggests. The more in-sync such electrical signals of neurons were in two key hubs of the circuit, the more those cells held the short-term memory of a just-seen object. The work demonstrates, for the first time, that there is information about short term memories reflected in in-sync brainwaves.  |
| Were dinosaurs destined to be big? Testing Cope's rule Posted: 02 Nov 2012 12:19 PM PDT In the evolutionary long run, small critters tend to evolve into bigger beasts -- at least according to the idea attributed to paleontologist Edward Cope, now known as Cope's Rule. Using the latest advanced statistical modeling methods, a new test of this rule as it applies dinosaurs shows that Cope was right -- sometimes.  |
| Our solar system is not quite as special as once believed, new research suggests Posted: 02 Nov 2012 12:19 PM PDT Some 4.567 billion years ago, our solar system's planets spawned from an expansive disc of gas and dust rotating around the sun. While similar processes are witnessed in younger solar systems throughout the Milky Way, the formative stages of our own solar system were believed to have taken twice as long to occur. Now, new research, suggests otherwise. Indeed, our solar system is not quite as special as once believed.  |
| NASA rover finds clues to changes in Mars' atmosphere Posted: 02 Nov 2012 12:16 PM PDT NASA's car-sized rover, Curiosity, has taken significant steps toward understanding how Mars may have lost much of its original atmosphere. Learning what happened to the Martian atmosphere will help scientists assess whether the planet ever was habitable.  |
| World record for entanglement of twisted light quanta Posted: 02 Nov 2012 08:53 AM PDT Physicists have achieved a new milestone in the history of quantum physics: Scientists were able to generate and measure the entanglement of the largest quantum numbers to date.  |
| Posted: 02 Nov 2012 05:46 AM PDT By using laser beams, scientists have generated quantum matter with novel, crystal-like properties.  |
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