It is in complex animals that organs come into their own as a plethora of sophisticated, functional entities. How large that ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

The human hand is an intricate system comprised of bones, muscles, tendons, ligaments, nerves, and blood vessels. When injury occurs—or congenital deformities, tumors, infections, or other medical ...

The first mission of the program, Artemis I, lifted off on November 16, 2022. The uncrewed flight to test the equipment was, ...

Word spread among the Alutiiq children in Larsen Bay, Alaska: An anthropologist from Washington, D.C., would pay them 10 cents to find him human bones. Ales Hrdlicka, a Smithsonian anthropologist, ...

Researchers have harnessed a bacterial immune defense system, known as CRISPR, to efficiently and precisely control the process of RNA splicing. The technology opens the door to new applications, ...

A human head will set you back about $640. An arm is less: that costs roughly $430. A leg, by contrast, is $1,600; while a torso costs around $2,000. A hand, however, is a mere $300. Postage and ...