Pros: Introduced in 1981, aspartame is one of the most studied sweeteners on the market. Despite the rumors, thereâs no conclusive evidence of a link between aspartame and cancer, according to the FDA and American Cancer Society.
Mammals appeared on the earth long before the extinction of the dinosaurs; in fact, dinosaurs and mammals originated within 10 million years of each other, in the late Triassic about 200 million years ago.
Cloning animals started way back in the 1950s when the first frogs were reproduced. In 1996 British scientists cloned the first mammal, a sheep called Dolly. Since then the cloning of mice, cattle, cats and other mammals has been successful.loning animals started way back in the 1950s when the first frogs were reproduced. In 1996 British scientists cloned the first mammal, a sheep called Dolly. Since then the cloning of mice, cattle, cats and other mammals has been successful.