It may have played a part. But this week, officials told Congress they were still investigating the causes of the so-called flash crash.
VOA: special.2010.05.14
The scientists suggest that this causes a reduction in pressure on the land where the plates meet.
VOA: special.2009.07.07
This is a protein that causes inflammation, a physical reaction to infection, injury or other causes.
VOA: special.2009.04.14
They believed scientists could study this illness to understand its causes and find a cure.
VOA: special.2010.07.21
This causes buds to the side, called lateral buds, to wake up and start growing.
VOA: special.2009.10.06
One form of this enzyme makes the prostaglandin that causes pain and swelling.
VOA: special.2010.12.14
This causes lower blood pressure, reduced muscle tension and decreased heart rate.
VOA: special.2009.03.24
This gas causes itchy skin,dizziness, and in high enough quantities,death.
VOA: special.2010.11.10
This causes the rock to break, or fracture,releasing the gas.
VOA: special.2009.10.23
This causes her to continuously leak urine or feces.
VOA: special.2010.08.09
This causes great stress on the human body.
VOA: special.2010.07.27
Doctors do not know what causes this process.
VOA: special.2009.01.06
This causes the tissues to die.
VOA: special.2010.08.09
This causes cells to become larger.
VOA: special.2010.07.27
They have been charged with being elected on the Change and Reform list, and this causes us grave concerns,".
VOA: standard.2009.04.09
Anna Bligh says the causes of this environmental disaster will be thoroughly examined.
VOA: standard.2009.03.13
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