Researchers in Germany and Switzerland used next generation sequencing to study an active aquaponics system. They sampled a biofilm from the side of the tank, the fish excrement, the plant roots, and the inside of the tank filter, called a biofilter.
If there are multiple universes, which of them are capable of harboring life and why? A physicist comes up with a number, and that number is the difference between the number of baryons and antibaryons in the universe. Find out what the heck this means by reading more!