1.   Pentagon officials say they have already had some success reducing the risk that nuclear materials will fall into the wrong hands.

2.   American officials have been concerned that if left in Georgia, the nuclear material could fall into the hands of Chechen gangs, Iran or other aspiring nuclear powers.

3.   As material falls into a black hole, it is converted to energy.

4.   Asbestos-laden material fell to the streets below some stations, where it remained, in one case, for months.

5.   A senior Bush administration official, speaking on condition of anonymity, also tried to mute speculation that Russian nuclear material might fall into the wrong hands.

6.   Examining the images, the astronomy team led by Velusamy searched for evidence that material was still falling straight in toward the protostar, as most theorists assumed.

7.   He had survived an accident when construction materials fell on him.

8.   If the smuggling continues, the chances increase that the materials could fall into the hands of terrorists or non-nuclear states that want to build a bomb.

9.   Nuclear materials could also fall into trigger-happy hands.