The classic economic model predicts that people will keep lost wallets. New research in 40 countries finds that it depends on what's inside.

System helps machine-learning models glean training information for diagnosing and treating brain conditions.

"Photo Wake-Up is a new way to interact with photos." See what it can do for Picasso, Matisse, and Stephen Curry.

A new algorithm makes it much easier to edit video of a "talking head." There are both benefits and ethical concerns.

Can a small ringlike structure made of plastic and copper amplify the already powerful imaging capabilities of the MRI machine?

A new imaging technique for lithium-ion battery electrodes could lead to more reliable batteries with higher charging capacity.

"There needs to be a greater discussion on telling the broader story—a migrant's story doesn't end once they cross the sea or make it through the border."

Deep fakes—super-realistic looking fake videos—pose a major threat, but "digital watermarks" could help stop them.

A few subtle cues in the OB-GYN waiting room could get fathers more involved in prenatal care.

A new algorithm helps robots sense their environment faster, which could help them better navigate our messy human workplaces.