Improving the health of populations depends on science; on building a foundation of knowledge that helps guide our actions. I have previously written about how the work of public health rests on the ...

For example, the great success of the chemical industry since the Second World War has necessitated the control of many hundreds of potentially hazardous substances in the workplace and in the general ...

The progress of science in the last 400 years is mind-blowing. Who would have thought we’d be able to trace the history of our universe to its origins 14 billion years ago? Science has increased the ...

Picture a device that can produce electricity using nothing but the ambient heat around it. Thanks to research published in the Proceedings of the National Academy of Science today, this scenario is a ...

What is time? If the universe is expanding, what is it expanding into? What happened just before the Big Bang? Some of the most head-scratching ideas in physics strain the limits of what science can ...

Assisted reproductive technology is one of the great medical success stories of the late 20th century. Thanks to fertility drugs, in-vitro fertilization (IVF) and a growing list of even more ...