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BioNumbers - The Database of Useful Biological Numbers. SpringerProtocols. Search Results. Cell Biology Protocols. Home : Nature Protocols. Variétés anciennes. Culture Scientifique et Technique. Play Extinct! Are you smarter than a plant? Check your security settings Connection issues are typically caused by security settings on your network or computer. Check that your firewall or router has port 5222 open and allowing traffic. If you are on a school or office network, you may need to contact your network administrator to make the necessary changes. Is your version of Flash current? Some old versions of Flash don't work well with our new chat application. Ad blockers and browser plug ins Ad blocker programs like AdBlock Plus, proxy software and a variety of other browser add-ons can prevent users from connecting to chat.

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