"It would be unethical for us to turn our back on these people and not conduct the research that is so desperately needed to develop the drugs to treat these diseases and the vaccines to prevent them in the future."

VOA: standard.2010.02.16

These measures would not be needed if governments followed private-sector accounting rules.

ECONOMIST: Government accounting

If these succeed, much larger trials would be needed to confirm an effect.

FORBES: Magazine Article

And in the next few years we're likely to see a number of robotic spacecraft demonstrate the rendezvous and capture technologies that would be needed in these selective culls.

BBC: Space debris: Time to clean up the sky