Tag: Osama bin Laden
Why al-Qaida is still strong 16 years after 9/11
Tricia Bacon, American University
Sixteen years ago, on September 11, 2001, al-Qaida conducted the most destructive terrorist attack in history.
An unprecedented onslaught from the...
EXPLORING NATURE
Giant ground sloths’ fossilized teeth reveal their unique roles in the...
Larisa R. G. DeSantis, Vanderbilt University and Aditya Reddy Kurre, University of Pennsylvania
A two-toed sloth at the...
