Armies of humanoid robots are poised to march into the world’s factories. But before they’re ready to turn a wrench, they must solve what Elon Musk calls “the hands problem.” Creating the mechanical ...

Reading levels dropped to historic lows during the pandemic. Now parents, teachers and tech companies are hoping AI can help solve America’s literacy crisis. America’s literacy challenge has been ...

Professor of Law and Associate Dean for International Affairs, Wake Forest University While U.S. and global solutions seem far off, policies to limit harm from microplastics are gaining traction at ...

Microplastics seem to be everywhere—in the air we breathe, the water we drink, the food we eat. They have turned up in human organs, blood, testicles, placentas and even brains. While the full health ...

Poornika Ananth does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Notifications You must be signed in to change notification settings Date: 8/26/2025 Total Time: Approximately 9.5 hours Project: Solve the Maximum SubArray problem--develop a Sum of Subarray's map to ...

From climate change and COVID-19 to violent crime and the national budget deficit: why are Americans increasingly divided over which issues deserve attention? And how do these divisions emerge even ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

Consider someone who’s perfectly content with their office chair. It’s not ergonomic, it doesn’t have lumbar support, but it works. Then, during a meeting or a visit to a friend’s office, they sit in ...

Keep going. If you stack as many blocks as you can, what is the farthest overhang you can achieve before the entire structure topples? Is it possible for the tower to extend a full block length beyond ...