Attacker mowed down crowd at Las Ramblas, a busy tourist spot in Barcelona.

Spanish police shot dead five suspected terrorists in the town of Cambrils on Friday, foiling a bid for second “jihadist attack” just hours after a van ploughed into crowds in Barcelona, leaving 13 people dead.

Hong Kong democracy activist Joshua Wong's portrait.

Alex Chow, Nathan Law, and Joshua Wong, all in their 20s, were at the forefront of mass protests in late 2014.

(Source: Jim Makos/flickr)

In the U.S., Wall Street recorded its second biggest fall of the year, with European & Asian peers echoing the trend.

(Source: Global Panorama/flickr)

The "world's first biological malware" alarms people of possible molecular and electronic interactions in future. 

nevil zaveri

A startup, named Saathi, produces sanitary pads using banana-tree bark, a readily available natural fiber. 

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