Arpit Verma

After teething, toddlers bear bright white pearl-like teeth. Years later, one by one, baby teeth fall to give place to stronger permanent teeth that are supposed to endure the rest of human lives. In the dawn of humankind, two dentitions were enough. Humans did not live long, so permanent teeth lasting 30 or 40 years would accomplish their function. As human lifespan extended, human teeth could not keep pace with longevity. Read more advertising removed

Plants are modular organisms, capable of learning, remembering, and making decisions. In their own pace of life, plants take the most of their environment to make intelligent choices. For plants, lacking a brain is a brilliant survival strategy, because herbivores could eat it at any moment. If they do not have a brain, where is their intelligence? Read more advertising removed