Humans
Ancient stencils of hands with "mutilated" fingers may actually show a type of sign language used for hunting or silent rituals.
High-speed camera footage shows how the COVID-19 virus spreads through speech.
Fossil hands help solve the puzzle of when humans gained manual dexterity.
A popular option to help manage pain during childbirth in other countries gains traction in the U.S.
A month’s worth of cool science stories.
Psychologists say 2020's stream of bad news has probably hurt the mental health of people who follow it closely.
Scientists create an amazing 3D model of the heart’s nervous system at the cellular level.
Haptic training could help expert musicians and top athletes break through their performance ceilings.
Babies born to active moms have improved heart function, better neuromotor skills and healthier weights.
Pollution estimates in India highlight the need for some countries to more closely monitor the problem in nonurban areas.