Latest Opinion
Viking Age women may have wielded weapons when pregnant, sagas and ancient artifacts hint
Opinion Despite its central role in human history, pregnancy has often been overlooked in archaeology.
Was it a stone tool or just a rock? An archaeologist explains how scientists can tell the difference
Opinion With a little guidance and a lot of practice, even you can make stone tools the way our oldest ancestors did — and learn to recognize the signs of a deliberately made tool.
'Murder prediction' algorithms echo some of Stalin's most horrific policies — governments are treading a very dangerous line in pursuing them
Opinion The U.K. government is developing a program that seeks to identify murderers before they commit the ultimate crime. The real-world application of this type of tool will have devastating consequences.
What does it take for people to flourish?
OPINION A global study seeks insights into what helps people feel happy, healthy and satisfied — and what holds them back.
Climate wars are approaching — and they will redefine global conflict
Opinion Climate change's profound reshaping of conflict dynamics is already underway. The question facing humanity now is not whether we will confront these pressures, but how we will choose to do so.
Colors are universal — even if our perception of them is subjective
Opinion An object's color appears differently under different lighting and against different backgrounds — for different viewers. But that doesn't mean colors are subjective.
Human ancestor was in Eurasia nearly 2 million years ago, cut marks on animal bones suggest
Opinion Researchers reexamining fossils identified telltale marks made by human ancestors cutting meat from bones. The discovery pushes back the date hominins started living in Europe by 200,000 years.
How will the latest generation of fighter jets stand out? The answer lies in stealth tech.
Opinion The fighter jets are likely to incorporate AI, as well as advanced engine and stealth technology.
