Is this what will end the humans?

Not the disappearance of the sun, not loss of fuel, not even a massive natural disaster?

You all on the coasts, watch out for ths marine alien....

Squirt Alert

--It's already too late to think of eradicating this ocean invader, says James T. Carlton, director of maritime studies at Williams College & Mystic Seaport in Connecticut. "When a species like this sea squirt becomes so abundant, it's no longer retrievable," he says. At this point, the goal can only be to cope with existing populations and slow their takeover of neighboring territories.--