Researchers are working to prove that coral-eating fish spread corals’ symbiotic algae in their feces. If they’re right, it could open new opportunities for helping struggling reefs cope. By Derek ...

Carbon is the chemical element found in the greenhouse gas CO₂ emitted from fossil fuels burned in cars, factories and other ...

Experts studying the aquaponics industry have a great gut feeling about reusing fish waste to create biogas (biologically derived gas), which can then help to power the sustainable food-growing ...

Fish do much more than just swim around in the ocean. They are active climate helpers, playing vital roles in storing and ...

Most complex organisms have a permanent hole for excreting waste. (Though there are exceptions, like the warty comb jelly, which forms an anus only when nature calls.) In bipeds and quadrupeds, the ...