Facebook has sued four Chinese companies for selling fake Facebook and Instagram accounts, alleging trademark infringement, breach of contract, and related offenses. The company announced the news on Friday, calling it “one more step in our ongoing efforts to protect people on Facebook and Instagram.” It’s an unusual move for Facebook, which says it already purges “millions” of fake accounts every day.

The lawsuit names three people and four companies based in the cities of Longyan and Shenzhen: 9 Xiu Network (Shenzhen) Science and Technology Company, 9 Xiu Feishu Science and Technology Company, 9 Xiufei Book Technology Co., and Home Network (Fujian) Technology Co.

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Also, the battle between Steven Spielberg and Netflix rages on, and fans could get an ‘Edge of Tomorrow’ sequel.

People exposed to trauma are less able to suppress unwanted emotional memories due to neural and behavioral disruptions in their brain that may contribute to the development of post-traumatic stress disorder (PTSD).

Optical clocks have evaluated the latest ‘one second’ tick of the International Atomic Time (TAI) and provided these data for adjusting the tick rate of TAI.

Resistance to antimalarial drugs is thought to result mainly from changes in the parasite’s genome. However, P. falciparum can also develop resistance to some antimalarial compounds by epigenetic changes, according to a new study. This is of concern because resistance acquired at the epigenetic level can arise quickly, even during the course of a single infection.

Young adults at risk of developing problems with addiction show key differences in an important region of the brain, according to a new study.

Perspectives on happiness and mental health differ across the world. Westernized perspectives present happiness as an individualized state of being that can be cultivated and sustained through continuous effort. In areas where these western beliefs are prominent, happiness is established as the norm, and as a result, a global trend has emerged where the absence of happiness is increasingly medicalized and pathologized. When deviation from the norm occurs, it spurs individuals to search out medical and psychological interventions.