Washington, Sep 11 : US President George W Bush has invited Prime Minister Manmohan Singh to Washington on September 25.

Sources have revealed that Bush hopes to get the nuclear deal through Congress by the time Manmohan Singh visits America and will then go on to sign the deal.

Washington/New York  - The seventh commemoration of the 2001 terrorist attacks on Washington and New York began Thursday morning with a nationwide solemn moment of silence at 8:46 am, the time that one of four hijacked passenger planes smashed into the north tower of the World Trade Center in New York.

Family members of the more than 2,500 who died in New York gathered outside the site of Ground Zero, where the towers once stood, and prepared to descend into what is now a construction site.

Children of the dead and other relatives started reading the names of the victims.

New Delhi - India said Thursday it was taking steps to initiate nuclear commercial cooperation with foreign partners like Russia and France after the Nuclear Suppliers Group's waiver, but would first sign bilateral pacts similar to that with the US.

The Nuclear Power Cooperation of India has also begun preliminary discussions with US companies, an official spokesman for the Indian Ministry of External Affairs Navtej Sarna said in a statement.

"We have informed the US about our intent to source state of the art nuclear technologies and facilities based on the provisions of the 123 Agreement from the US," Sarna said.

New York, Sept. 11 : The McCain campaign has escalated its efforts to portray Democratic presidential rival Senator Barack Obama as a candidate whose values fall outside the mainstream.

It unveiled a new television advertisement claiming that Obama favors “comprehensive sex education” for kindergarten students.

“Learning about sex before learning to read?” the narrator asks in the 30-second advertisement, which the campaign says will be shown in battleground states and on national cable.

Washington, Sept 11 : Researchers from Miami University in Ohio have found that how small male spiders are relative to females has a large effect on the frequency of sexual cannibalism.

Female spiders are voracious predators and consume a wide range of prey, which sometimes includes their mates.

Now, researchers Shawn Wilder and Ann Rypstra from Miami University in Ohio have found that males are more likely to be eaten if they are much smaller than females, which likely affects how easy they are to catch.

During their research, they found that in one species of spider, Hogna helluo, large males were never consumed while small males were consumed 80 percent of the time.