A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans. But what does that really mean?

One in particular struck a chord with my friends ... It's clear which side Lisa is on. Anti-sampling people argue that it can be difficult to find a bag of grapes that hasn't been opened.

He and others went on to determine that evolutionary relationships could be inferred according to whether species shared particular molecules ... door for non-invasive sampling methods.