Mitochondria are compartments—so-called “organelles”—in our cells that provide the chemical energy supply we need to move, think, and live. Chloroplasts...
As humans, we know that an active lifestyle gives us some control over our form. When we hit the pavement,...
The hallmarks of sexual selection can be found in some animals long after they have died. Researchers using the Natural...
For nearly 37 years, she was known as Buckskin Girl—a young, anonymous murder victim found outside Dayton, Ohio, wearing a...
Scientists have decoded visual images from a dog’s brain, offering a first look at how the canine mind reconstructs what...
Burmese pythons are not just big snakes, growing to more than 18 feet and 200 pounds, but big eaters, taking...
During development, the cells of an embryo divide until a fully functional organism emerges. One component of the cell is...
Over the past two years, machine learning has revolutionized protein structure prediction. Now, three papers in Science describe a similar...
Researchers have discovered a 380-million-year-old heart—the oldest ever found—alongside a separate fossilized stomach, intestine and liver in an ancient jawed...
To sting or not to sting? An alarm pheromone plays a decisive role in bees’ willingness to sting—and their group...
As a part of our immune defenses, cytotoxic T cells—or killer T cells—seek out and destroy cells that are infected...
This story begins several billion years ago. There’s only chemistry, no biology—that is, plenty of chemical compounds exist on Earth,...
