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<p>Local scientists are working on a tissue engineering project that could one day allow doctors to repair a damaged heart with a bioengineered blood vessel or a patch of cardiac muscle.</p> <p>The National Institutes of Health has awarded $4.9 million to researchers from the University of Pittsburgh's bioengineering department and the McGowan Institute of Regenerative Medicine to test the idea in rats and other laboratory animals.</p>

WASHINGTON -- Government and industry experts consider brewing hacker activity a precursor to a broad Internet attack that would target enormous numbers of computers vulnerable from a flaw in Windows software from Microsoft Corp. Experts described an unusual confluence of conditions that heighten prospects for a serious disruption soon. They cite the high numbers of potential victims and increasingly sophisticated attack tools already tested successfully by hackers in recent days. The Homeland Security Department cautioned Wednesday that it had detected an "Internet-wide increase in scanning" for victim computers. In an unusually ominous alert, it warned the threat could cause a...

<p>Today, Sun and CERT announced that many of Sun's Cobalt RaQ 4 Linux servers can be completely taken over by a local user or via the Internet. Ironically, the vulnerability is only present if the vendor's optional "Security Hardening Package" is installed. The package is quite popular and is installed on a large percentage of these servers.</p>

AMD-specific code a right mess By Paul Hales: Wednesday 17 July 2002, 10:03 MICROSOFT HAS IDENTIFIED a problem with running DirectX 8.1 on AMD processor-based systems. Some DirectX 8.1 programs may simply stop working on AMD PCs, says the Vole, and it has come up with a patch to fix the problem. The problem applies to DirectX programs running under Windows XP on AMD platforms. Intel processors are unaffected, the posting on Microsoft's support site here says. According to the posting, "the DrawIndexedPrimitive function stops working without displaying an error or debug message". Microsoft fesses up and says the error...

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Hackers can potentially exploit a format-string vulnerability in remote wall requests to execute arbitrary code in Solaris, Sun Microsystems Inc.'s version of the Unix operating system, security experts warned. Sun Solaris Versions 2.5.1, 2.6, 7 and 8 require a security patch to the utility rwall daemon or rpc.rwalld, the CERT Coordination Center at Carnegie Mellon University in Pittsburgh said in an advisory yesterday. The rwall daemon listens for wall requests, which are used to send messages to terminals using a time-sharing system. The advisory warned that the utility contains a format string vulnerability that could permit a hacker to get...