China’s bike-sharing boom: how two wheels drive urban consumption
Peer-Reviewed Publication
Updates every hour. Last Updated: 20-Jun-2025 17:10 ET (20-Jun-2025 21:10 GMT/UTC)
Using population sample survey data, this study shows bike-sharing boosts household consumption by up to 6.8% and dining by 4.9%, as a catalyst for local development. The positive externalities are driven by reduced commuting time, increased leisure, and lower rental costs.
To find the best catalyst for green ammonia, researchers were staring down 8000 lab experiments. With AI, they only needed 28.
A new study from the University of British Columbia has found that offering people a tiny chance to win a big cash prize can dramatically increase how many bottles they recycle. Instead of giving everyone a guaranteed 10-cent refund per bottle, researchers tested a new idea: What if people had a 0.01 per cent chance to win $1,000 for each bottle they returned? The result? People recycled 47 per cent more bottles.
MIT researchers discovered the underlying cause of position bias, a phenomenon that causes large language models to overemphasize the beginning or end of a document or conversation, while neglecting the middle. They built a theoretical framework that can be used to diagnose and correct position bias in future model designs, leading to more accurate, reliable AI agents.
A low-cost, scalable fabrication technology developed at MIT can integrate fast, efficient gallium nitride transistors onto a standard silicon chip, which could boost the performance of electronic chips used in high-bandwidth applications like video calling and real-time deep learning.