Mars can wait, Oceans CAN'T

Take the oceans, about which we know much less than the dark side of the moon. Ninety percent of the ocean floor has not even been charted, and while we have been to the moon, the technology to explore the ocean's floors is still being developed. For example, a permanent partially-submerged sea exploration station, called the SeaOrbiter, is currently in development.

The oceans play a major role in controlling our climate. But we have not learned yet how to use them to cool us off rather than contribute to our overheating. Ocean organisms are said to hold the promise of cures for an array of diseases. An examination of the unique eyes of skate (ray fish) led to advances in combating blindness, the horseshoe crab was crucial in developing a test for bacterial contamination, and sea urchins helped in the development of test-tube fertilization.

The toadfish's ability to regenerate its central nervous system is of much interest to neuroscientists. A recent Japanese study concluded that the drug eribulin, which was derived from sea sponges, is effective in combating breast, colon, and urinary cancer.

Given the looming crisis of water scarcity, we badly need more efficient and less costly methods to desalinate ocean water. By 2025, 1.8 billion people are expected to suffer from severe water scarcity, with that number jumping to 3.9 billion by 2050—well over a third of the entire global population.

If the oceans do not make your heart go pitter-patter, how about engineering a bacteria that eats carbon dioxide -- and thus helps protect the world from overheating -- AND excretes fuel which will allow us to drive our cars and machines, without oil? I cannot find any evidence that people young or old, Americans or citizens of other nations, would be less impressed or less inspired with such a breakthrough than with one more set of photos of a far away galaxy or a whole Milky Way full of stars.

Space enthusiasts claim that space exploration has generated major spinoffs for our life right here on Earth. Tyson quotes President Obama suggesting that the Apollo mission "produced technologies that have improved kidney dialysis and water purification systems; sensors to test for hazardous gases; energy-saving building materials; and fire-resistant fabrics used by firefighters and soldiers," and adds a few more innovations to the list: "digital imaging, implantable pacemakers, collision-avoidance systems on aircraft, precision LASIK eye surgery, and global positioning satellites."

Of course, the space environment is radically different from the one on Earth. Materials and technologies that are suited for a vacuum, zero gravity, and extreme cold and heat are not the ones we typically can use on Earth.

Opinion: Gingrich's moon colony lost in the laughter

Elias Carayannis, professor of Science, Technology, Innovation and Entrepreneurship at The George Washington University, notes "government agencies -- particularly those such as the National Space and Aeronautics Administration that are continually pressured to justify their activities -- tout the spin-off value of their investments in sometimes quite extravagant claims." Products such as Velcro, Tang, and Teflon that are often cited as spinoffs of space technology did not actually result from the space program.

Space promoters tell us, once every few months, that there are signs that there might be or has been water on one of the planets that might make "life" possible. I wonder if some of those who hear these reports interpret them to mean that we expect to find a civilization out there, one that we could ally with, say against the Chinese. What scientists are really talking about is organic material, the kind found in any compost -- not a reason to spend billions of dollars of public funds.

In short, do not cry for Mars. It is not going away. We can send R2D2 to explore it and still keep a whole pile of dough for important and inspiring exploration missions right here on Earth, starting at the beach nearest you.

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