At least 13 die in extreme heat wave in US

At least 13 people have died from the extreme heat wave that has been tormenting the southern United States for two weeks, officials said Friday, with air in other parts of the country polluted by forest fires in Canada.

Toxoplasma: the parasite that takes over our brains

A recurring fantasy in science fiction is the implantation of tiny elements in peoples' brains, which would be used to control and direct our actions and emotions. Regardless of the direction that technological development ...

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