How did we even survive this long, for millions of years, without the ability to detect killer asteroids? I'm all for spending more money on interesting scienc

How did we even survive this long, for millions of years, without the ability to detect killer asteroids? I'm all for spending more money on interesting science stuff, like space related research, but I guess if we need to feed people's fear about destruction of the earth to get funding, then so be it. Now, about that funding...