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Amazon’s?patent,?approved last month,?could lead to the?development of noise-canceling headphones?that could?be overridden and muted by certain noises or keywords. This could mean the headphones are always listening for something that could indicate danger, like a car horn or emergency vehicle siren. It also means users could program in their own override words, phrases and sounds, such as the user’s name.

Among the 36 students in an electrical engineering and automation class at Northwest Normal University, only one is female.

Amid strong warnings from business groups, US President Donald Trump signed a memorandum that could impose tariffs on up to billion of Chinese products, fueling fears that the world's two largest economies could be sliding towards a trade war.

Amazon’s market value now stands at 5 billion, and one analyst thinks there is still plenty of room to grow.

Among the list, 34 were honored posthumously, including those who sacrificed their lives in the fight against COVID-19.