A new groundbreaking hypothesis counters popular evolutionary thinking that living organisms evolve by adding genes rather than discarding them. The new theory --"Black Queen Hypothesis" --suggests some species are surviving by discarding genes and depending on other species "to play their hand.According to the hypothesis, evolution pushes microorganisms to lose essential functions when there is another species around to perform them. This idea counters popular evolutionary thinking
This short video takes you inside the process by which the largest collaborative development project in the history of computing is organized.
Hank introduces us to another amazing organism - the "immortal jellyfish," Turritopsis dohrnii - and explains how it can extend its life cycle indefinitely through a process known as transdifferentiation.