oksana hudak

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Mahmoud Ahmadinejad challenges Hassan Rouhani to debate

Mahmoud Ahmadinejad has made his first appearance in the political arena since stepping down as Iran's president by challenging his succesor to a one-on-one debate on his own record in office.<p>Mahmoud Ahmadinejad, the former Iranian president, has re-emerged from the obscurity of semi-retirement to …

Scientists Discover Surprisingly Bright Black Hole | The Takeaway | WNYC

Turns out black holes really aren't so black. A team of researchers has discovered an incredibly bright black hole located some 22 million light …

Black Holes

Islamic conquests from 630 - 750 AD, with surrounding states

Islamic conquests from 630 - 750 AD, with surrounding states.