Financial markets are governed by a combination of rational and irrational forces, statistical probabilities and "animal spirits." It takes fluency in both to understand the market, let alone beat it. Yet market actors, including asset traders, now frequently use machine-learning techniques to help generate predictions of future asset prices.

We have built tools that save us hours at work. So why do so many people feel worse for using them? The answer has less to do with AI and more to do with what we have always believed work is supposed to cost us.

Millions of Californians, in every part of the state, live with an uneasy day-to-day preoccupation: Housing is so expensive here, food and gas and utilities are so expensive—would it make sense to pull up stakes and leave for another state?

A new Special Report in the journal BioScience introduces the Scientist Network for Advancing Policy (SNAP), a student-led, nonpartisan, grassroots coalition founded in 2025 to empower early-career researchers to engage with science policy, advocacy and public communication. The report details the ways in which SNAP is reshaping the role of scientists in their communities.

Realizing the dream of homeownership comes with a cold reality for millions of people in California: more expensive insurance premiums that cover less. Increasingly, the only option for some homeowners is the California Fair Access to Insurance Requirements (FAIR) Plan, a state-mandated backstop that, until recently, primarily provided coverage in places conventional insurers would not touch because of wildfire risk.

Tourism businesses across Aotearoa New Zealand are working to become more sustainable, but a new study shows the process is complex and rarely straightforward. The research, based on in-depth interviews, data analysis and site visits with established tourism operators across the country, examines how businesses move from good intentions to more sustainable ways of working.

Instead of going to stores to compare products, Americans have increasingly turned to watching online video reviews. As far back as a decade ago, 55% of Americans reported they'd watched online reviews of products, according to Pew Research. As of late 2024, Pew found 62% were relying on the video platform TikTok to view product reviews or recommendations.