A scientific assessment of the hole in the ozone layer is done routinely every 4 years. 35 years after countries in the world agreed to stop using chemicals that hurt the ozone layer, this last assessment shows a slow but impressive recovery. Scientists say the hole will be fully mended by 2066.
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An amazing discovery was dug in the Pyrenees mountain range in France – the jaw of a bear-dog that lived 12 million years ago. The
Research at Bristol University in England is trying the first blood transfusion from lab-grown blood. In the experiment, they are trying to see how long the
Genetic engineering, or genetically modified organisms (GMO), is a term sure to raise fears in the population. This concern is based mainly on the great
