CNN astronaut captures typhoon Haiyan over Philippines , from space . We also did a lot of experiments on fluids and combustion -- a lot of these are for developing systems to travel further into outer space , and a lot of them will really benefit what we 're doing on Earth . Nyberg speaks to NASA after 2008 mission in space . Conducted experiments on astronauts ' eyesight and bone density .
CNN astronaut captures typhoon Haiyan over Philippines , from space . Nyberg speaks to NASA after 2008 mission in space . Conducted experiments on astronauts ' eyesight and bone density .