These days more astrobiologists take seriously the idea that life may not have originated on Earth but was brought here soon after the Earth formed, by comets. In its early days the Earth was a hot ball, inhospitable to life. Traces of life would not have survived those conditions. A theory known as Panspermia suggests […]
On May 12 the Prince of Wales spoke in London to the Global Leaders Conference on One Health and Antimicrobial Resistance. HRH raised the issue of the overuse of antibiotics especially in the raising of farm animals, a situation that has led to antibiotic resistance in the human population in many parts of the world. […]
We take it for granted that we are self-aware. That we are conscious of ourselves. But how far back in human evolution can this self-awareness be traced? One way of finding out is to look for the earliest graves. Human beings are the only species that bury their dead. Not only do we bury our […]
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We’re all used to hearing that a course in yoga and meditation can make you feel better. Help you cope with stress. Now a new study headed by Helen Lavretsky of UCLA and published in the May edition of the Journal of Alzheimer’s Research indicates yoga and meditation may also forestall the cognitive impairment that […]
We’re used to thinking of our bodies as bio-chemical systems that our cells are maintained by chemical processes. When we visit a doctor, the treatment usually comes in the form of a pill, something to change our chemistry. What about electricity? What role does it play in biological systems? The recent discovery of electric bacteria, […]