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- [2] Shuttle's end could spell a bumpy ride for biomedicine in space Nature Medicine, 2011, 17 : 908 - 908
- [3] When each of the thousands of satellites in tomorrow's immense orbital internet swarms fall back to Earth, as they inevitably must, some of the debris might not burn up entirely before reaching the altitudes plied by airlines and militaries. Space safety engineers tell Paul Marks that a serious collision risk is brewing - and a vigorous search for solutions is necessary, right now. AEROSPACE AMERICA, 2021, 59 (06) : 35 - 44