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| Researchers find a way to boost lithium-air battery performance, with the help of modified viruses Posted: 13 Nov 2013 09:13 AM PST Lithium-air batteries have become a hot research area in recent years: They hold the promise of drastically increasing power per battery weight, which could lead, for example, to electric cars with a much greater driving range. But bringing that promise to reality has faced a number of challenges, including the need to develop better, more durable materials for the batteries’ electrodes and improving the number of charging-discharging cycles the batteries can withstand.        |
| Stepparents are not always evil Posted: 13 Nov 2013 09:03 AM PST Contrary to common belief, parents do not generally treat their stepchildren less favourably than their own. Until now, many researchers believed in the so-called “Cinderella effect.” It states that it is biologically inevitable that parents care less for stepchildren because they do not spread their genes. Researchers at the Max Planck Institute for Demographic Research (MPIDR) in Rostock, Germany, have discovered an important exception.     |
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