Human physiology
A new study with potato chips suggests we all perceive scents differently, but culture tells us to agree when naming them.
A special imaging technique takes pictures of blood flow under the skin, revealing how and why some elderly suffer poor blood flow.
Reanalyzed foot and handprints may date to thousands of years before many thought the roof of the world was settled.
The same system that rewards you for selfish actions also rewards you for generous ones.
Two new studies find that electronic device use near bedtime is linked with poor sleep in adults and children.
Yoshinori Ohsumi revealed the workings of autophagy, a routine biological process implicated in many diseases.
Improvements in the technology of transplantation have opened up the donation of kidneys to significantly more living donors.
Microscopic drug-filled "balloons" can be ruptured precisely where needed.
The challenges of nourishing astronauts on years-long trips.
People often use specific gestures and their voice when communicating sounds.