Google spent the past year training an AI-powered health care program using personal information from one of the largest hospital systems in the U.S. Patients had no idea — until last week.

Predicting a molecule’s aroma is hard because slight changes in structure lead to huge shifts in perception. Good thing deep learning is developing a sense of smell.

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.

Weak supervision is the practice of assigning likely labels to unlabeled data using a variety of simple labeling functions. Then supervised methods can be used on top of the now-labeled data.

AI startups are being scooped up at an accelerating pace, many by companies outside the tech sphere. A report by CB Insights shows that, as of August, 2019 was on track to surpass last year’s record number of AI startup acquisitions.

Drugs undergo rigorous experimentation and clinical trials to gain regulatory approval, while dietary supplements get less scrutiny. Even when a drug study reveals an interaction with supplements, the discovery tends to receive little attention.

Companies with large numbers of contractual relationships may leave millions of dollars on the table because it’s not practical to customize each agreement. A new startup offers a chatbot designed to claw back that money.

Theoretical advances can be thrilling, but the excitement can drown out all the ways AI is actually being put to use. DeepIndex provides an up-to-date, well organized, cheeky guide to practical applications culled from news reports.

Unlike bats, humans can’t see with their ears. Now an app is giving sightless pedestrians the ability to navigate by ear. Microsoft’s Artificial Intelligence and Research Laboratory offers a free iPhone app called Soundscape.

The origin of the brief, high-intensity signals from outer space called fast radio bursts baffles astronomers. Now AI is generating real-time data to help solve the mystery.