Memory engram

Most animals do not learn as we do. Their behaviors are guided by powerful instincts. Some instincts are activated by hormones, others are dormant memories encoded on a genetic level. These memories are called engrams, and today I want to explore this subject. For more reading check out here. Memories can be encoded into DNA! …

The six layers of neocortex

The thing that makes us humans intelligent is a huge neocortex. It is the most recently developed area of the brain and it has a very interesting structure. The neocortex is a huge sheet build from six distinct layers folded in the brain many times. It takes a lot of space inside human skull, and …

Color discrimination

Some women can distinguish four colors. They are called tetrachromats. What does it feel like to see colors others do not see? How can we make our world richer? Some more stuff here and here. Average human The visible light spectrum ranges from about 380 to 740 nanometers. Spectral colors (colors that are produced by …

Ramanujan, math intuition and the voice of the goddess

Narasimhaswamy temple, Namakkal

Intuition takes many forms, but what is it exactly? Why do genius scientists talk about mysterious forces? Do we really need the supernatural or there are more plausible explanations? Can we train it? The story of the goddess Ramanujan was one of the greatest mathematicians of the 20th century. He wrote down several astonishing results …