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Summer Solstice

November 7, 2010 Teachnet Staff 0

The summer solstice here in the northern hemisphere marks a time when the earth’s axis tilts towards the sun, as it will between June and September, causing warm weather and “longer” days in the northern hemisphere, and cold weather and “shorter” days in the southern hemisphere.

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Sunny Days: Ultraviolet Overexposure

November 7, 2010 Teachnet Staff 0

For a number of years now researchers have educated the public and reinforced the statements that tans are unhealthy, and the sun can cause skin damage and even cancer. Still, the local pool is packed and the beaches are more for “catching some rays” than swimming or surfing. As the atmosphere above is damaged, the sun’s ultraviolet rays become more dangerous each year. What can you do to help students understand the importance of protecting their skin?