Your nose can sense smell best when your are 10 years old. That's probably why kids notice gross smells faster than adults.
Radiation from sun could rise this summer
Radiation from sun could rise this summer The ozone layer, located in the upper atmosphere
of the plant, protects the Earth from dangerous ultraviolet-B
radiation from the sun. Experts warn that this year the depletion
of ozone in the atmosphere is the second-worst on record.
Scientists estimate that radiation levels this spring and summer
will be 7 per cent above normal levels, and are warning Canadians
to wear extra sunscreen to protect themselves. Overexposure to
ultraviolet-B rays increases the risk of skin cancer. 6 APRIL 2000
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