The concept of hydrogen fuel has existed for over a century, but the clean energy remains just out of our grasp. How is R&D advancing it in 2025? When will hydrogen fuel become a reality?

You can easily highlight a PDF on your Mac computer using the markup tools in the built-in Preview program.

To search a PDF on your Mac for a specific word or phrase, you can use the search function in the built-in Preview app.

The AI chatbot’s new guardrails, which include content filters and safety alerts, are designed to protect younger users, especially teens in emotional distress. But risks remain.To set up the ...

Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business ...

To start with, fitting seatbelts in trains would be an expensive endeavor, and train accidents (though sometimes devastat ...

New, high-quality research quantifying the powerful impact of federal non-defense research and development shows why the dramatic cuts to non-defense R&D funding proposed by the Trump Administration ...