SA Special Editions

Brain regions that process faces reveal deep insights into the neural mechanisms of vision

Unlike our ape cousins, humans require high levels of physical activity to be healthy

New fossils and analyses of ancient ocean chemistry reveal the surprisingly deep roots of the Cambrian explosion

Exotic new states of matter contain patterns that repeat like clockwork

The five coastal countries will have to rectify their science and their politics

The genes of Hawaiian plants, extinct for more than a century, have been brought back from the dead. Today we can smell their scents

Age-old taboos against menstruation have led to a lack of research on how women's cycles work, with serious consequences for their health

Ultima Thule, the most-distant object ever visited by a spacecraft, is revealing our solar system’s deepest history—and, just maybe, revolutionizing planetary science

An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life

After more than a decade of effort, a global network of radio telescopes revealed the first-ever picture of an enigmatic hole in spacetime

Female puberty is starting earlier and earlier, with worrying consequences for women’s health

Is a runaway immune reaction making a dengue vaccine dangerous?

Can we remove enough CO₂ from the atmosphere to slow or even reverse climate change?

The most effective misinformation starts with seeds of truth

A controversial theory holds that one immunization, given properly, can protect against many diseases besides its target

A long-sought fossil could redraw our family tree

A new race could be heating up to claim valuable moon terrain amid uncertain laws