One of the first things that we are taught in school is that living things are born, grow, reproduce and die. We can think of aging as the line that connects these events, lifespan as the length of that line and senescence as the step that goes from reproducing to dying. The three terms bring […]
Humans have known and used the cannabis plant for as long as 10,000 years. During this time it has been utilized to such different things as to make ropes and clothes, to induce mental states in religious rituals and to treat diseases. Once considered a sacred plant, possession and use of cannabis is illegal in […]
In the 1930s Clive McCay, a biochemist working in Ithaca, New York, made an interesting observation: rats that were kept on a low calorie diet lived longer than rats that had unrestrained access to food. In the next years this seemingly counterintuitive observation was extended to virtually all animals, including worms, flies and other rodents […]