Monday, May 11

Engineering

Solar-powered gel pulls drinking water from the air

Scientists in recent years have sought to efficiently draw moisture from ambient air and condense it into potable water using materials made of salt and absorbent polymers. But these materials, known as hydrogels, until now ...

Tuesday, May 12

Internet

AI content moderation takes a lesson from economics

Spend enough time on the internet, and you'll likely encounter some pretty appalling content. Hate speech tends to flourish on social media and in online communities, particularly those with little to no moderation. Even ...

Machine learning & AI

60% of US teens have tried AI chatbots, 11.4% use them almost daily

As AI chatbots become increasingly part of daily life for American teens, a new national study documents widespread exposure to harm. While many use them for school, entertainment and support, researchers warn they may also ...