Avoid anything with sharp edges that could injure your fish. Cycling your tank: The nitrogen cycle explained Before adding any fish, you must establish beneficial bacteria in your tank.

The new research from UBC's Institute for the Oceans and Fisheries also suggests carbon washed away from burn sites by rain could be making its way back into the atmosphtere.

Industry life cycle or product life cycle shows the four (or five) stages that a product or industry goes through from the introduction phase to the growth phase then the maturity phase and ...

Vehicle owners do have the option of having their tires filled with nitrogen, but does it make that much of a difference? Here's what owners have to say.

Some biblical episodes may have natural explanations. A group of researchers has studied the miracle of the "miraculous catch of fish" attributed to Jesus, proposing a surprising hypothesis. They ...

The clownfish exposed to artificial light at night still spawned, and the eggs were still fertilized at a similar level as the normal fish. But there was no hatching.

Your body doesn't produce omega-3 fatty acids on their own. Here's everything you need to know about fish oil, the easiest way to supplement them.

Everdark Sovereigns in Elden Ring Nightreign explained Everdark Sovereigns are enhanced versions of the existing Nightlord expeditions, upgrading the bosses into more powerful forms.

Small-business grants are very competitive, but knowing how the process works can greatly increase your odds of success. This guide explains the basics you need to know.

Bernhard, A. The Nitrogen Cycle: Processes, Players, and Human Impact. Nature Education Knowledge 2, 12 (2010). Bongaarts, J. Human population growth and the demographic transition.