Did you know that there are a group of frogs in South America known as 'poison-dart frogs'? There are different types of frogs within the group but most of them are brightly coloured and have black spots. They are dangerous to touch because they have poison on their skin. Native people in the area used to rub the poison onto their arrows before hunting.
Different opinions offered on hazards associated with use of
mobile phones
Different opinions offered on hazards associated with use of
mobile phones Some scientists believe that the electromagnetic
radiation emitted by cell phones causes non-thermal damage to the
body. Another health hazard of cell phones is their association
with road accidents. Heavy cell phone users are involved in twice
as many fatal road accidents as light cell phone users. NOVEMBER 24, 2000
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