This story appears in the August 2019 issue of National Geographic magazine.
This content is Subscriber-Exclusive
You must have a National Geographic subscription to explore this article.
Go Further
Animals
- How can you tell if a wild animal really needs your help?How can you tell if a wild animal really needs your help?
- Fireflies are vanishing—but you can help protect themFireflies are vanishing—but you can help protect them
- Could this simple plan save Africa's most mysterious cat?Could this simple plan save Africa's most mysterious cat?
- This ray is vanishing from our oceans—and being made into jewelryThis ray is vanishing from our oceans—and being made into jewelry
- Why 4 dead California sea otters have scientists so alarmedWhy 4 dead California sea otters have scientists so alarmed
Environment
- Seaweed may play a big role in the fight against climate changeSeaweed may play a big role in the fight against climate change
- Is banning fishing bad for fishermen? Not in this marine reserveIs banning fishing bad for fishermen? Not in this marine reserve
- Dust storms are getting worse—here’s why they’re so destructiveDust storms are getting worse—here’s why they’re so destructive
- Japan poised to release nuclear wastewater into the PacificJapan poised to release nuclear wastewater into the Pacific
History & Culture
- How the ‘Magna Carta of AIDS activism’ sparked a revolutionHow the ‘Magna Carta of AIDS activism’ sparked a revolution
- Meet the next generation of National Geographic explorersMeet the next generation of National Geographic explorers
- Colossal crabs may hold clue to Amelia Earhart fateColossal crabs may hold clue to Amelia Earhart fate
- The ancient history of tattoos—revealed by inked-up mummiesThe ancient history of tattoos—revealed by inked-up mummies
- The ‘cave of bones’ may hold the mysteries of human originsThe ‘cave of bones’ may hold the mysteries of human origins
- From police raids to pop culture: The history of modern dragFrom police raids to pop culture: The history of modern drag
Science
- This new birth control for cats doesn't require surgeryThis new birth control for cats doesn't require surgery
- What is the summer solstice? Here’s what you need to know.What is the summer solstice? Here’s what you need to know.
- How aromatherapy can help kids breathe in some mental goodnessHow aromatherapy can help kids breathe in some mental goodness
- At 64, Diana Nyad swam from Cuba to Florida. How'd she do it?At 64, Diana Nyad swam from Cuba to Florida. How'd she do it?
Travel
- This Polynesian canoe is set to voyage 43,000 milesThis Polynesian canoe is set to voyage 43,000 miles
- The inside guide to Cádiz: an underrated Andalucian city breakThe inside guide to Cádiz: an underrated Andalucian city break
- Crossing the desert: from incense route to pilgrimage route
- Paid Content for Advertiser
Crossing the desert: from incense route to pilgrimage route - Experience a ranch stay in Canada's cowboy countryExperience a ranch stay in Canada's cowboy country
- AI can help you plan your next trip—if you know how to ask.AI can help you plan your next trip—if you know how to ask.