How did leap day begin? Here’s a 2,200-year-old clue. Plus, tango's tumultuous start; the real Merlin
The shoes that changed my life
How to end throbbing migraines; how vaccines rev up the immune system
When Big Bad Rome met its match. Plus, how did humans survive the ‘Little Ice Age’?
Explore history's greatest mysteries when you subscribe to National Geographic History magazine. Just $39/yr.
When exercise can hurt you; how to keep your memory sharp; 9 simple ways to boost your mental health
How your pet experiences the world; ‘genius’ dogs; the rare half male/half female cardinal
What should a president be? Look at George Washington. Plus, could Pluto again be our ninth planet?