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Comment Re:AIDS pulling a revolutionary new trick (Score 1) 136

pretty much anything that can cause cell-to-cell fusion at a neutral pH can do this.
The initial stages of animal virus infection are generally described as the binding of free virions to permissive target cells followed by entry and replication. Although this route of infection is undoubtedly important, many viruses that are pathogenic for humans, including HIV-1, herpes simplex virus and measles, can also move between cells without diffusing through the extracellular environment. Cell-to-cell spread not only facilitates rapid viral dissemination, but may also promote immune evasion and influence disease. This Review discusses the various mechanisms by which viruses move directly between cells and the implications of this for viral dissemination and pathogenesis.

How Aftermarket Inkjet Ink Holds Up After a Year 152

An anonymous reader writes "About a year ago I found a link on here for a test of inkjet printer inks. The article compared original manufacturer inks against much cheaper third party stuff and the results were surprisingly in favour of third party products. They've now published the final part of this study, examining the prints produced a year ago. This time the printer manufacturers have come out far better, with some third party prints having disappeared completely! Cartridge World ink still seems worth a try though, if you don't want to pay manufacturers' inflated prices."

Comment Archaea (Score 5, Informative) 266

Let's not forget that many scientists think there are three domains (Prokaryotes, Eukaryotes and Archaea). Archaea are very similar to Prokaryotes in that they don't have a nucleus, but they also share many features with Eukaryotes, including several key enzymes. Due to their similarity to the two other lineages, it is thought that Archaea may in fact be the grand daddy of all life.

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