may explain what happened.
here is dan harris.
>> reporter: it is a
key chapter in "the greatest
story ever told."
as portrayed in the movie, "the
ten commandments," the bible
says the israelites, when
fleeing egypt, got stuck between
the pharaoh's army and the red
sea.
on moses' command, the waters
parted, allowing the israelites
to escape.
enter carl drews, a software
engineer for the national center
for atmospheric research.
he says, at long last, he's
discovered an explanation.
>> the exciting thing is that
there is a scientific basis for
this 3,000-year-old story.
>> reporter: he used old maps
and satellite data to build this
computer model, which shows that
when a strong wind blows out of
the east, all night long, just
like it says in the bible, the
water is pushed back, leaving a
muddy patch that somebody could
walk across.
and when the wind dies down, the
water rushes back in.
>> it shows the body of water
splitting around the point of
this peninsula and then dividing