ScienceDaily: Top Science News |
- Scientists use DNA to assemble a transistor from graphene
- Touch goes digital: Electronic recording and replay of human touch demonstrated
- Mother chimps crucial for offspring's social skills
- Rare fossil ape cranium discovered in China
- Neuroscientists show that monkeys can decide to call out or keep silent
- Iron in the sun: A greenhouse gas for X-ray radiation
| Scientists use DNA to assemble a transistor from graphene Posted: 06 Sep 2013 11:19 AM PDT Graphene is a sheet of carbon atoms arrayed in a honeycomb pattern, just a single atom thick. It could be a better semiconductor than silicon -- if we could fashion it into ribbons 20 to 50 atoms wide. Could DNA help? |
| Touch goes digital: Electronic recording and replay of human touch demonstrated Posted: 06 Sep 2013 11:18 AM PDT Researchers report a breakthrough in technology that could pave the way for digital systems to record, store, edit and replay information in a dimension that goes beyond what we can see or hear: touch. |
| Mother chimps crucial for offspring's social skills Posted: 06 Sep 2013 08:43 AM PDT Orphaned chimpanzees are less socially competent than chimpanzees who were reared by their mother. Researchers observed that orphaned chimpanzees frequently engaged in social play, but their play bouts were much shorter and resulted in aggression more often. Apparently, chimpanzee mothers endow their offspring with important social skills. |
| Rare fossil ape cranium discovered in China Posted: 06 Sep 2013 07:26 AM PDT A team of researchers has discovered the cranium of a fossil ape from Shuitangba, a Miocene site in Yunnan Province, China. The juvenile cranium of the fossil ape Lufengpithecus is significant, according to researchers. |
| Neuroscientists show that monkeys can decide to call out or keep silent Posted: 06 Sep 2013 07:21 AM PDT "Should I say something or not?" Human beings are not alone in pondering this dilemma -- animals also face decisions when they communicate by voice. Neurobiologists have now demonstrated that nerve cells in the brain signal the targeted initiation of calls -- forming the basis of voluntary vocal expression. |
| Iron in the sun: A greenhouse gas for X-ray radiation Posted: 06 Sep 2013 07:13 AM PDT Scientists have investigated for the first time X-ray absorption of highly charged iron ions. A transportable ion trap developed at MPIK was used for generation and storage of the ions. The high-precision measurements provide important new insight into the role of highly charged ions in astrophysical plasmas, e. g. for radiation transport inside stars. |
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