As the fight against plastic pollution gains momentum, firms are tackling the issue in different ways. Read more

Highview Power uses liquefied cold air to create stored energy. The air is reheated to produce power. Read more

Up to a million people are employed around the world as professional shoppers for clients in China. Read more

Freezing the deceased in the hope of one day reviving them could become a mainstream service, advocates say. Read more

In the first of our Future of Work series, we look at how new tech could change our working lives. Read more

The moves are an attempt to stop "nefarious attacks emanating from Russia", officials say. Read more

The singer says Snapchat "let us down" over an advert that asked users if they would slap her. Read more

A PlayStation game which "promotes the sexualisation of children" is banned in the UK. Read more

More than 600,000 people watched rapper Drake and top player Ninja play the co-op shooting game. Read more

Monalisa Perez shot her boyfriend through a thick book, which failed to stop the bullet last June. Read more

Talking about failure is taboo in Germany, and it could be holding business back. Read more

Other cards sold through online marketplace Etsy depict Jimmy Savile and Josef Fritzl. Read more

The search giant follows Facebook in censoring ads for initial coin offerings and trading services. Read more

How do Alexa, Siri and Google Home measure up - and which is the best smart speaker for you? Read more

Researchers in Texas aim to create robots that can cope with our messy world. Read more