Beach Health, Extraterrestrial Communication, Maggots. April 13, 2018, Part 1
Some private citizens, scientists, and entrepreneurs are sending some focused messages through the cosmos, which could theoretically be intercepted by any technologically advanced civilizations among the stars, essentially advertising the existence and location of Earth. Is it ethical to do that—or could it needlessly put humanity at risk?
Beach nourishment, the process of dredging up sand from the seafloor to replenish eroding beaches and protect coastal ecosystems, has a history that goes back to the 1920s expansion and widening of the beach at Coney Island. But does it work as intended? And where does all that sand go once it’s placed?
These days, people are thinking about how to put maggots to good use before we die. That means we have to get over the ick factor and actually study these creatures. What do they eat, when do they eat, how much do they eat, and at what rate?
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