Within months of its discovery, Leuschner cast the first doubt on Pluto's status as a planet, suggesting instead that it was unclear whether Pluto was a large asteroid, a planet, or a comet.
First doubts about research.
Certainly, if Nishikori beats Marin Cilic on Monday – after first doubting he would play at all, then getting rid of Milos Raonic, Stanislas Wawrinka and Novak Djokovic in 14 tough sets – there will be no argument that Chang has returned to the coaching scene like a New York storm.
Mr Yoshida first cast doubt on his own testimony as far back as 1996.
The letter first casts doubt on the temperature rise, and then goes on to say even if it is rising, it is probably natural and has little to do with greenhouse gas emissions.
The first cast doubt on authorities' claims about a journalist arrested for narcotics possession, while two others looked at dysfunction at a newly built Sochi residential complex for the games and a major storm expected to hit Sochi.
The Americans eventually pulled away and defeated Brazil, 75-53, athehe University of Hawaii, but not before a sluggish first half cast doubts on how certain the women are to defend their 1996 gold medal.
Yet one may have doubts on first encountering Bedouins wearing black robes and herding black goats.
It seems likely that the present inhabitants of the Sinai, the Bedouins, would have optimised their solutions for desert survival during their long tenure in this desert Yet, one may have doubts on first encountering Bedouins wearing black robes and herding black goats.
Third, cast doubt on the transcendent origins of religion by showing that it has a purely natural explanation.
