Don’t get old.

Sitting in his easy chair, he leans back and with more effort than it should take, pushes the little foot rest into place. An exhaled breath betrays the weakness now permeating his body.  His cardigan is thread bare at the sleeves and hangs open and loose over his shoulders. Tufts of grey hair sprout from under his once white T-shirt and prod the wrinkles of his neck.

Take my advice son, he mutters, “Don’t get old”. His face droops and shoulders sag. “I’ve had enough,” he sighs, the full weight of his 84 years pressing him deep into the chair like a g-force that grows greater with each passing year.

When did it come to this?‘  his son is thinking as he looks upon his future sitting in the chair in front of him. Continue reading


“I think therefore I am” – maybe.

When asked, “How do you know that you exist?”, French philosopher René Descartes replied, “I think therefore I am”, meaning that since he is aware of himself in thought he must exist.  But what is the physical process of thinking? Let’s think about this and break our thoughts down to smaller and smaller components and decide if we do indeed exist.

On a chemical scale (atomic and quantum scales to come) our thoughts are simply electric impulses flowing along nerve axons leading to chemical discharges at synapses that trigger more nerves to fire in some coordinated way among brain cells. How this leads to forming a thought, memory, or other sentient functions, scientists still do not know. Continue reading