Many women struggle to breastfeed. Scientists are starting to ask why.

We know more about cow’s milk than human milk. But new research about the makeup of breast milk and the factors influencing ...
Morning Overview on MSN

Gene hacking is coming and it could rewrite what it means to be human

For the first time, the tools to rewrite human biology are moving from speculative fiction into regulated clinics and ...
Morning Overview on MSN

Scientists say they may have cracked the code to reboot aging cells

For decades, aging has looked like a one-way street, a slow accumulation of damage written into our cells. Now a wave of ...
ScienceAlert on MSN

Shrews Can Shrink Their Brains by 30%. Here's How They Grow It Back.

In preparation for winter, the common shrew (Sorex araneus) shrinks its brain by 30 percent to conserve precious energy. Then ...