in reply to Subtraction by digit
my $first = pdl qw/1 2 3 4 5 6/;
my $second = pdl qw/2 9 8 4 7 6/;
my $result = $first - $second;
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (579 votes). Check out past polls.