South Africa: Zuma's party will contest the ban on him participating in elections
On Thursday, election officials in South Africa said that former president Jacob Zuma will not be permitted to participate in the country's May general elections.
Chinese scientists boost the F-22 radar signature to increase survival in the skies
A combat plane's low radar cross-section, or stealth, is one of the most crucial characteristics it may have in the fight for survival in the air, when being detected might mean the difference between life and death.
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