ScienceDaily: Strange Science News |
- Unique skull find rebuts theories on species diversity in early humans
- How subtle movements, facial features could predict your demise
- Images and video move by touch from one smartphone to another tablet
- Uncovering liquid foam's bubbly acoustics
- Neanderthals used toothpicks to alleviate the pain of diseases related to teeth, such as inflammation of the gums
- Fat black holes grown up in 'cities': Observational result using virtual observatory
| Unique skull find rebuts theories on species diversity in early humans Posted: 17 Oct 2013 02:39 PM PDT Paleoanthropologists have uncovered the intact skull of an early Homo individual in Dmanisi, Georgia. This find is forcing a change in perspective in the field of paleoanthropology: human species diversity two million years ago was much smaller than presumed thus far. However, diversity within the Homo erectus, the first global species of human, was as great as in humans today. |
| How subtle movements, facial features could predict your demise Posted: 17 Oct 2013 10:52 AM PDT Research shows that interviewers -- who were not health professionals -- could better predict mortality than physicians or individuals themselves. This is likely, the researchers report, because they were attuned to facial expressions, responsiveness and overall agility. |
| Images and video move by touch from one smartphone to another tablet Posted: 17 Oct 2013 07:06 AM PDT Scientists have developed technology whereby a ring, structure nail or wristband acts as a user interface allowing files to be transferred directly from one screen to another by touch. The new technical solution is the first step towards the interactivity of various objects and jewellery through a cloud service. |
| Uncovering liquid foam's bubbly acoustics Posted: 17 Oct 2013 05:03 AM PDT Liquid foams fascinate toddlers singing in a bubble bath. Physicists, too, have an interest in their acoustical properties. Borrowing from both porous material and foam science, scientists studied liquid foams. They used an impedance tube to measure the velocity and attenuation of acoustic waves in liquid foams in a broad frequency range. |
| Posted: 17 Oct 2013 05:03 AM PDT Removing food scraps trapped between the teeth one of the most common functions of using toothpicks, thus contributing to our oral hygiene. This habit is documented in the genus Homo, as early as Homo habilis, a species that lived between 1.9 and 1.6 million years ago. New research based on the Cova Foradà Neanderthal fossil shows that this hominid also used toothpicks to mitigate pain caused by oral diseases such as inflammation of the gums (periodontal disease). It is the oldest documented case of palliative treatment of dental disease done with this tool. |
| Fat black holes grown up in 'cities': Observational result using virtual observatory Posted: 17 Oct 2013 05:01 AM PDT Massive black holes of more than one million solar masses exist at the center of most galaxies. Some of the massive black holes are observed as active galactic nuclei (AGN) which attract surrounding gas and release huge amounts of energy. |
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