biology

In 2023, our understanding of the microbes that live inside the human gut will lead to new ideas for medicine. Today, we know that gut microbes help develop…

For something so routine, walking is shockingly complicated. Biomechanists break a single step into several phases: First there’s touchdown, when your heel…

To figure out what exactly was causing this antiviral capability, the scientists then incubated the vesicles with the viruses and imaged them under a…

Life expectancy in the best-performing countries has been increasing by three months per year every year since the early 1800s. Throughout most of human…

As far as metaphors for change go, this is a potent one. Yet when we think about the future and the change we might want to make, the natural world provides…

Starting in the 1960s, doctors attempted transplants of kidneys, hearts, and livers from baboons and chimpanzees—humans’ closest genetic relatives—into…

Berlin, Nevada, is a treasure chest for paleontologists. Just down the road from now-abandoned gold and silver mines, a rockbound collection of bones hints…

A mouse is running on a treadmill embedded in a virtual reality corridor. In its mind’s eye, it sees itself scurrying down a tunnel with a distinctive…

The scientists used the device to record the snow’s albedo, a measure of what fraction of the sunlight beaming down is reflected back up. Red snow means…

The biochemical process by which cyanobacteria acquire nutrients from rocks in Chile's Atacama Desert has inspired engineers at the University of California,…