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How do humans affect forest fires? And what can we learn from forest fires in the past for the future of forestry? 

Exercising several times a week may delay brain deterioration in people at high risk for Alzheimer’s disease, according to a study that scientists say merits further research to establish whether fitness can affect the progression of dementia.

Plants can grow whole new organs with the help of pluripotent stem cells throughout their entire lives. When necessary, these stem cells can develop into any type of cell within an organism.

NASA’s Terra Satellite provided a visible image of Hurricane Humberto when it was off the coast of the Carolinas and slowly moving north. The satellite image revealed that Humberto is a large storm.

For centuries, Indians have rejoiced at the arrival of the monsoon to break summer’s fever.