But other researchers have questioned attributing these seasonal variations that have been detected to dark matter.
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Though Madoff has allegedly said he acted alone, others have questioned who else knew, including his wife.
Both opponents and allies of Ford have questioned whether the mayor has told the truth.
State officials, seeking to keep Williams locked up, have questioned the validity of the new results.
Over the past generation, some have questioned the tenets and viability of architectural modernism.
WSJ: A Concrete Ribbon Through the Clouds | Millau Viaduct | Masterpiece by Joseph Giovannini
Plenty of people have questioned why small depositors had to be hit at all.
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Former Speaker Newt Gingrich is among the many Republicans who have questioned the GOP strategy.
Some lawmakers have questioned whether the FBI missed crucial information ahead of the explosions.
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Sceptics have questioned South Africa's ability to host the continent's first-ever football World Cup.
Experts who study disaster assistance have questioned whether loans help over the long term.
Critics have questioned if West Ham's benefits after moving into a publicly-funded stadium are fair.
MPs Frank Field and Nicholas Soames, of the cross-party Balanced Migration group, have questioned the plans.
They also have questioned the neutrality of a caretaker government installed by Musharraf last week.
Other studies have shown exercise protects against stroke, but some have questioned the connection.
Some commentators have questioned whether some kind of discretion could be introduced to the selection process.
Critics have questioned Palin's experience since McCain chose her as his running mate August 29.
But some of his peers have questioned whether the evidence really supports the theory.
Police have questioned other family members in Toulouse, including his mother, Zoulika Aziri, Molins said.
The State Department should have revoked AbdulMutallab's visa, or authorities should have questioned him, she said.
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Some in Australia have questioned whether its rapid rate of growth can be sustained.
Already, some analysts have questioned how much demand there will be for the bonds.
Some have questioned why it took so long to come to the rescue.
But passenger groups and some of the companies running services at the stations have questioned the figures.
However, some experts have questioned how new it is, suggesting it is just a cabinet committee renamed.
Skilling's lawyers have questioned whether these hand-written notes are authentic and deny Skilling knew anything about them.
For James, one more win would silence many critics who have questioned his mettle in championship moments.
WSJ: Miami Heat Beat Oklahoma City Thunder in NBA Finals Game 4
Data suggested death rates there were double that of other centres, but experts have questioned their accuracy.
Some policymakers have questioned the effectiveness of QE, but the OECD said further action could "be warranted".
Since then rival researchers at Pfizer have questioned whether Sirtris' drugs work by the mechanism Glaxo claims.
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