Volcano erupts on Spain's Canary Islands

The Cumbre Vieja volcano erupted on Spain's Canary Islands Sunday, spewing out lava, ash and a huge column of smoke after days of increased seismic activity and forcing the evacuation of around 5,000 local people, authorities ...

Finding friends of friends on social media

A quick way to identify the "nth" friends of social media users based on spatial data mining of profiles and behavior on a service such as Twitter is described in the International Journal of Advanced Intelligence Paradigms.

COVID-19-related xenophobia

A lot of entirely unwarranted anti-Asian sentiment in the U.S. and elsewhere has emerged on social media since the emergence of the COVID-19 pandemic, which had its original source in Wuhan, China, but is a global problem ...

Angelenos versus New Yorkers: What do they talk about online?

A team of computer scientists at the USC Viterbi School of Engineering set out to develop new tools automate and organize social science data. What did they use as their data sets? Twitter posts from the coastal capitals, ...

Mexico's Caribbean coast hit by heavy seaweed, more expected

Environmentalists and tourism operators on Mexico's Caribbean coast are complaining about mounds of foul-smelling sargassum—a seaweed-like algae—that are piling up on beaches and turning turquoise waters brown.

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