The search for eternal youth

The search for the elixir of life has existed since time immemorial
The search for the elixir of life has existed since time immemorial

Recent reports in the press have highlighted the sad case of a 14 year old girl’s search for immortality and her fight to have her body frozen after her death. Her hope is that medicine will advance enough to allow her to be brought back to life, cancer free at some point in the future.

Ever since time immemorial humans have endeavored to extend our natural life span. In the middle ages, life expectancy was in the order of 40 years. By 1900 you could expect to live to around 59, and today average life expectancy has reached 80 years give or take. The oldest human that ever lived has reached 122 years and the annual rate of mortality amongst any given age bracket e.g. over 80’s continues to fal

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The clover mite – what a blood sucker

The Clover Mite, the notorious blood sucker of my childhood
The Clover Mite, the notorious blood sucker of my childhood

I was struck the other day by the number of tiny red “blood suckers” crawling around on my window sills and walls. It seems to me that I haven’t seen these tiny creatures in years, or maybe I just haven’t noticed them. Squishing them and the red streaks they leave are a distinct nostalgic memory from childhood summers along with Soda Stream, Wimbledon and rounders.

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SETI@home

Hunt aliens from the comfort of your own home with SETI@home
Hunt aliens from the comfort of your own home with SETI@home

The hunt for other planets in the universe is going full steam ahead with thousands of planets having being found in orbit around distant suns. Telescopes and technology are progressing at a breakneck pace allowing us to probe the light from these distant worlds for traces of gases that might signify life. Probes in our own solar system are busy looking for the signs and signatures of life.  

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Genesis – Is life really common?

Did life start in a warm little pond just as Darwin thought?

Scientists have made some tremendous advances in recent years. Biologists are discovering that life is not as delicate as we once thought. No matter where on Earth we look, we seem to encounter life. Hardy bacteria that can thrive in the harshest of conditions. From the extreme heat of thermal springs and deep sea hydrothermal vents to the harsh conditions found in nuclear reactors, bacteria and other microbes find a way to prosper. We have exposed bacteria to the harshness of space on the outside of the international space station, only to discover later that the bacteria hadn’t been killed off, but had survived the exposure and were able to grow again upon return to normal conditions.

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