biology

Our bodies consist of about 30 trillion human cells, but they also host about 39 trillion microbial cells. These teeming communities of bacteria, viruses, protozoa, and fungi in our guts, in…

This revelation offers insight into why we age and what critical cellular machinery we must keep running to combat age-related diseases, according to Maria Carolina Florian, a stem cell…

This story originally appeared in The Guardian and is part of the Climate Desk collaboration.Scientist Melissa Miller was seeing something in California sea otters that she had not seen…

Rivron’s laboratory was the first to create these embryo-like structures in 2018. His team showed that mouse stem cells can self-organize into structures that resemble a blastocyst, which…

This might be why her team got contrasting results in their analysis: The more individual microplastics in the gut, the greater the microbial diversity, but the higher mass of microplastics,…

The neocortex stands out as a stunning achievement of biological evolution. All mammals have this swath of tissue covering their brain, and the six layers of densely packed neurons within it…

Eventually, Xenofon Strakosas, an assistant professor working in Berggren’s lab, figured out the problem: In plants, hydrogen peroxide helps the injected material bond together, but there…

Age is just a number—and one you may be able to change. At least that’s the pitch behind Tally Health, a new startup that’s among a crop of companies selling tests that offer to tell…

Credit: Frontiers in Science (2023). DOI: 10.3389/fsci.2023.1017235.…

“There are a lot of species out there that are overlooked, and when you get to know them they are just as charismatic and beautiful as the ones we’re aware of,” says Gumbs. According to the…