Sure, it sounds like a sci-fi movie: Alien species deep below the ocean latch onto scientists' gear, surface and cause havoc. But it could happen, scientists reported Thursday in a study that concludes those free rides can ruin ecosystems.
msnbc.com: Top msnbc.com headlines, NBC News
Wed, 05/23/2012 - 9:55pm
Sure, it sounds like a sci-fi movie: Alien species deep below the ocean latch onto scientists' gear, surface and cause havoc. But it could happen, scientists reported Thursday in a study that concludes those free rides can ruin ecosystems.