All organisms in an ecosystem are interconnected, and any imbalance in this complex relationship can have irreversible consequences for both humans and nonhumans. Numerous examples illustrate how the destruction of one species can lead to unforeseen and devastating impacts on others. ...

No one knows why we dream. It stands to reason that dreams have some purpose because nearly everyone dreams, and we dream 3 to 6 times every night. People typically have several dreams each night that grow longer as sleep draws to a close. Over...

We spend about a third of our lives sleeping. But do we know why we do it? Is it for biological, psychological, or evolutionary reasons? Much research has based its findings on what happens when we don’t sleep enough. The effects of sleeplessness aren’t...

With online access, you can easily tap into the powerful world of artificial intelligence (AI). By using Google’s AI chatbot, Gemini, or Microsoft’s Copilot, people can use AI to supplement or replace traditional web searches. OpenAI’s ChatGPT—the generative AI that’s become all the rage—can create...

Producing art and text using computers is not new. It has been happening since the 1970s. What is new is that computers are acting independently—without programmers providing any input; the computer program generates the work, even if programmers have set the parameters. ...

Biological (or epigenetic) age is arguably more important than chronological age. But what happens if your cells are aging faster than the calendar says? Can you reset your biological age and live a longer, healthier life? Science may offer the answers. ...

With the planet teetering on the brink of climate disaster and the goal of achieving net-zero carbon emissions by 2050 rapidly slipping away, the need for alternatives to pollutive fossil fuels has never been more evident. Should nuclear power be one of...