This page in brief …. Neuroscientists tend to conclude that the processes in our brains follow known physical laws, and so our thinking is determined by physics – meaning we don’t have genuine free choice. But our experience is that we do indeed make choices and they seem to be free most of the time, […]
Have you ever wondered: if the cells in our bodies change every 10 years or so, am I still the same person I was 40 years ago?
I’ve often heard it said, especially by non-believers in discussion with believers. Science is the best, perhaps the only reliable way to know things. Everything else is subjective. Is this true? The question raises some interesting issues. These musings are a response to a post, A big weekend in Boston by Connor Wood, and a […]
I suppose it is quite natural to look at the night sky, especially away from city lights, and be in awe. When we learn that the universe apparently contains something like 100 billion galaxies, each with about 100 billion stars, our amazement and awe increase. It is also natural to ask where it all came […]
Humans are a curious species, and we like to answer the question “Why?” Some of the really big questions concern why does the universe exist and what is the purpose of life? Some say God is the answer to those questions. Others say there is no answer to the questions. Still others say that science […]
Stereoscopic vision is a useful and subtle aspect of how we, and some animals, see. Because our two eyes both face the front (unlike some animals and insects whose eyes face more left and right), they both see similar but subtly different views. For example, if two objects are in line, one behind the other, […]