Posts Tagged ‘sun’

What is the equinox all about?

Friday, September 23rd, 2011

At 9.04am UTC on September the 23rd (find your time here) the September equinox takes place.

 

At that moment the earth is neither tilted towards or away from the sun. Most of us know this as the day and night being of equal lengths.

 

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To sunblock or not to sunblock?

Thursday, June 9th, 2011

In many countries today, the ubiquitous summer message is some variant of “slip, slop, slap” (New Zealand’s – “slip into a shirt, slop on some sunscreen and slap on a hat”).

The message is so entrenched that it would seem close to criminally negligent to not do so. (more…)


Sun helps to battle skin cancer?

Tuesday, September 22nd, 2009

SunA research team from the University of Leeds working with the US National Institutes of Health found a high level of vitamin D – suggestive of high sun exposure – protected patients with malignant melanoma, the deadliest form of skin cancer.

Those with the lowest levels of vitamin D in their blood at diagnosis were 30 per cent more likely to suffer a recurrence of the disease after treatment than those who had the highest levels. (more…)