Attaching shark teeth to saw blades shows why they are shaped differently

A study sought to understand why shark teeth are shaped differently and what biological advantages various shapes have by testing their performance under realistic conditions. The researchers from the University of Washington attached different shark teeth to a saw and attempted to cut through a hunk of salmon at the same speed a shark would devour its prey. Sep 9, 2016

Islamist hate preacher Anjem Choudary jailed

British hate preacher Anjem Choudary has been sentenced to five years and six months in solitary jail for supporting Islamic State. Choudary preached a hardline version of Islam for decades but avoided being arrested, that was until he published a YouTube video that supported IS leader Abu Bakr al-Baghdadis claim to have established a Caliphate, or legitimate Islamic State, in June, 2014. Sep 7, 2016