Microsoft Sees \$100 Million First Day for 'Halo 2' Game  LOS ANGELES (Reuters) - First-day sales of Microsoft  Corp.'s &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=MSFT.O qtype=sym infotype=info qcat=news"&gt;MSFT.O&lt;/A&gt; new video game "Halo 2" will reach \$100  million, a senior Microsoft games executive said on Tuesday.
Stem Cell Molecules Repair Genetic Damage Researchers report that embryonic stem cells sent molecular signals that repaired fatal genetic damage to heart cells in laboratory mice.