Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal ...

From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram of a portion of the ...

It's impossible to tell if enough stem cells are in each tiny sample to matter. In 2019, Orwig used preserved testicular tissue from a young male monkey that, in an animal version of IVF, led to the ...

while the weaker "loser" cells are removed from the cell structure and die. This mechanism helps to maintain a healthy and efficient cell community. Cell competition is therefore a crucial factor ...