How did leap day begin? Here’s a 2,200-year-old clue. Plus, tango's tumultuous start; the real Merlin

Also, a Wildlife Intelligence Project; why whales can sing underwater; Einstein and the atomic bomb

National Geographic

This is an email sent by National Geographic. All copyrights and trademarks remain the property of their respective owners. Email Inspire is not affiliated with National Geographic.

Email from National Geographic. Reminder: Support Our Planet in 2024!

Reminder: Support Our Planet in 2024!

Email from National Geographic. How inflammation helps vaccines; why alcohol is killing more women than ever; can fasting help you live longer

How inflammation helps vaccines; why alcohol is killing more women than ever; can fasting help you live longer

Email from National Geographic. A brief look at Satan; the secrets of the Red Sea Scrolls; Ukraine's sad anniversary

A brief look at Satan; the secrets of the Red Sea Scrolls; Ukraine's sad anniversary

Email from National Geographic. This is how they escaped Pompeii’s deadly volcanic eruption. Plus, first U.S. spacecraft since 1972 lands on the moon

This is how they escaped Pompeii’s deadly volcanic eruption. Plus, first U.S. spacecraft since 1972 lands on the moon

Email from National Geographic. The shoes that changed my life

The shoes that changed my life

Email from National Geographic. How to end throbbing migraines; how vaccines rev up the immune system

How to end throbbing migraines; how vaccines rev up the immune system

Email from National Geographic. When Big Bad Rome met its match. Plus, how did humans survive the ‘Little Ice Age’?

When Big Bad Rome met its match. Plus, how did humans survive the ‘Little Ice Age’?

Email from National Geographic. Your support of wellness for our planet

Your support of wellness for our planet

View more emails from National Geographic

National Geographic