Usually, it's a good idea to avoid reading comments on any news story. But not this one! Be sure to read the comments on this science news story; they range from educational to charming:
Gravity’s strength still an open questionThe comments following this article are worth reading, too, although many are frustrating to any American who cares about ( Read more... )

Are you flying in the US anytime soon? Read about how backscatter security scanning devices work, and what effect they may have on your body. (My short take on it: Low-intensity x-rays, easily absorbed by the skin, are safe for the normal, healthy, occasional flyer. But if you are immuno-compromised and fly frequently, you might want to opt for the ( Read more... )