In 1996, NOAA scientists pumped 2 dyes beneath Key Largo to learn where groundwater went; 18 days later, 2 bay-side wells showed it flowed toward the Atlantic
In 1996, Columbia scientists shifted Biosphere 2’s 2.6-million-gallon Arizona ocean between ice age, modern and future CO₂ every 3 months; future chemistry cut coral calcification by about 40%