RIA Novosti 
May 31, 2013
The meteorite that blew up over Russia’s Urals in mid-February , leaving 1,500 injured, came as a striking reminder of how vulnerable we are on our small, blue planet. It was suddenly palpably clear that we have no way of preventing celestial bodies from slamming into Earth.
The way out just might be to hit dangerous asteroids with other asteroids, Russian scientists say.
Several near-Earth asteroids can be towed into the vicinity of the planet to serve as a cache of celestial projectiles against incoming space threats, said Natan Eismont of the Space Research Institute of Russian Academy of Sciences.
“I was skeptical about it myself, until we actually tried to do computer modeling of the situation,” Eismont, one of the project’s authors, told RIA Novosti in a recent interview.
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