Others have experimented with a modified rubber duck that, when the user presses a button, nods or offers brief, neutral replies to your explanations. The interactivity, the researchers argue, might ...

The exchange of water and heat between Earth and its atmosphere determines climate zones and ecosystems, which in turn ...

Physicist Albert Einstein famously posited that if he only had an hour to crack a daunting problem, he'd devote 55 minutes to ...

Researchers examined problems related to the timing and scheduling of surgeries and patients' stays in recovery units. In ...