YouTube is a great place to learn about new ideas — including some that have been thoroughly discredited. YouTube’s recommendation algorithm is helping spread misinformation about climate change, according to research by Avaaz, a self-funded activist group.

The UK’s banking industry is using AI in many facets of the business. A survey of financial firms in the UK found that nearly two-thirds of respondents have deployed machine learning technology. Many said they expect their use to double in the next two years.