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How stuff works carbon 14 dating

Cycling, by contrast to running, is not weight bearing.

When scientists compared groups of exercisers – long distance runners and cyclists, they found the runners suffered 133-144 per cent more muscle damage, 256 per cent more, inflammation and DOMS 87 per cent higher.

A professional bike fit is a good idea – skimping here is a false economy if you end up spending more cash on physio.But a recent study suggests that people who ride a bike are actually exposed to fewer dangerous fumes than those who travel by car.A study by the Healthy Air Campaign, Kings College London, and Camden Council, saw air pollution detectors fitted to a driver, a bus user, a pedestrian and a cyclist using a busy route through central London.Unless you’ve invested in a GPS cycling computer with mapping capabilities such as a Garmin 1000, then getting out and exploring the lanes can provide essential exercise for your internal mapping capabilities, giving you (with practice) a better idea of which way is West.Most of us know that sex is a good thing, but not everyone knows that it’s actually good for your overall health.It probably isn’t rocket science that tiring yourself out on the bike will improve your sleep – but now it’s been proven.Researchers at the University of Georgia studied men and women aged 20 to 85 over a period of 35 years, and found that a drop in fitness of 2 per cent for men and 4 per cent for women resulted in sleep problems.Dr Rodney Dishman was one of the lead authors, and commented: “The steepest decline in cardiorespiratory fitness happens between ages 40 and 60.This is also when problems of sleep duration and quality are elevated.” Looking for causes behind the link the scientists suggested it could be a reduction in anxiety, brought about by exercise, that elevates the ability to sleep.Cycling combines physical exercise with being outdoors and exploring new views.You can ride solo – giving you time to process worries or concerns, or you can ride with a group which broadens your social circle.

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  1. Aug 9, 2012. This video excerpt from NOVA's "Hunting the Elements" examines carbon isotopes and radiocarbon dating. Find out what it means for an isotope to be radioactive and how the half-life of carbon-14 allows scientists to date organic materials. A two-hour special from the producers of "Making Stuff".

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