LONDON, England (CNN) -- As an organization they're used to
investing billions of dollars in scientific experiments that
further our knowledge of earth and space. But the only bill to
speak of on this occasion is orange and attached to the body of
a rubber duck. Scientists from NASA hope that rubber ducks will
help them better understand glacier movements. In the name of
climate change science, researchers at NASA have dropped 90
rubber ducks into holes of Greenland's fastest moving glacier:
the Jakobshavn Glacier in Baffin Bay. Scientists remain unsure
as to why glaciers speed up their movement in the summer months
and it is hoped that the rubber ducks -- labeled with the words
"science experiment" and "reward" in three languages, along with
an email address -- will shed some light on the phenomenon. One
theory is that the summer sun melts ice on the surface of the
glacier which creates pools of water which then flow into
moulins -- narrow tubular shafts in the glacier. These then
transport the water from th