The Pain Gap
After decades of assuming that pain processing is equivalent in all sexes, scientists are finding that different biological pathways can produce an “ouch!”
Stories by Amber Dance
Animals Use Brain Tricks to See in the Dark
Many animals once thought to have poor sight in low light use tricks in their nervous systems to see brilliantly in the dark
How the Samoan Tattoo Survived Colonialism
Several factors, from geography to group identity, helped this traditional body art endure—even as similar practices were lost in other cultures
Quest for Clues to Humanity's First Fires
How and when our ancestors mastered flames remains a hotly debated question. Researchers are hunting for answers buried in ancient ash and baked soils
Live Fast, Die Young
Research into aging requires patience, but a small cadre of scientists is angling to speed up answers by developing the flamboyant, short-lived turquoise killifish as a new mode
A Massive Global Effort Maps How the Brain Is Wired
With innovative tools, connectome scientists are tracing the superhighways and footpaths of the brain
NASA Scientists Fight Budget Cuts with "Bake Sale"
The sale is a protest of plans in President Obama's 2013 budget request to cut 21 percent from NASA's planetary science budget, and 38 percent from its Mars projects
Notion in Motion: Wireless Sensors Monitor Brain Waves on the Fly
Electroencephalography used to require a person to sit still while a computer tracked the brain's electrical impulses. A newer technology untethers this research
Slide Show: 7 Artificial Valves That Lend Hearts a Helping Hand
For the past five decades, artificial heart-valve designs have evolved to successfully replace natural valves, which often begin to leak or harden over time
