Smarter wildfire fighting; a no-car vacation
 | PHOTOGRAPH BY BRIAN J. SKERRY, NAT GEO IMAGE COLLECTION
| | Humans can recognize each other by combining several traits: A person’s gait, the sound of their voice, sneeze or laugh, or their height, hair color, eyeglasses.
Dolphins can use multiple clues to zero in on friends, too, like their characteristic whistles—or even their taste. Studying captive bottlenose dolphins, scientists found that the animals paid more attention to their friends’ whistles and urine than those of strangers, suggesting they knew the animals that issued them.
“We were tapping into something that is part of the dolphins’ world,” marine biologist Jason Bruck tells Nat Geo.
Read the full story here. (Pictured above, two dolphins swimming off Honduras, photographed by Nat Geo Explorer Brian J. Skerry.)
Please consider supporting our storytelling by subscribing here. Thanks! | | | |
 | | PHOTOGRAPH BY ROBERT HARDING, ALAMY STOCK PHOTO | | | Who needs a car on vacation? It’s a hassle. Gas is expensive. If you’re already aiming for a vacation anyway, why not go to a place like this Croatian island, a UNESCO World Heritage site? (Pictured above, the island’s 13th-century Cathedral of St. Lawrence.) Here are 10 no-car vacation suggestions. | | | |
 | | PHOTOGRAPH BY CHHUT CHHEANA, WONDERS OF THE MEKONG | | | |
| A boy and his hen: Photographer Alessandro Cinque happened upon this scene in Peru’s Sacred Valley, near Cusco. (His image has been liked by more than 100,000 people since it was posted recently on our Instagram page.) Cinque has photographed the delicate care the Indigenous Quechua give to their high-altitude agricultural lands—and the way others in Peru's mountains are trying to preserve alpacas. Other researchers, such as biologist and Nat Geo Explorer Ruthmery Pillco Huarcaya, are inspired by Quechua culture in working to understand and help species like the Andean bear.
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 | | [The researcher] has long-distance peeled a banana. He has long-distance squeezed a toothpaste tube with the gentle precision of a person preparing to brush his teeth. Give the research enough time and you can conjure a future in which touch is transmitted, as vividly as sight and sound are now, into tele-everything. | | | | Claudia Gorney | From: The audacious science pushing the boundaries of human touch
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 | | PHOTOGRAPH BY MATTHEW ABBOTT | | Smarter firefighting: As North America’s wildfire season takes hold, what can authorities apply from best firefighting practices worldwide? It turns out, there is a lot to learn from traditional Indigenous practices, such as controlled burns well before the hot season. In fact, a section of Australia has emerged virtually unscathed from increasingly destructive wildfires in recent years, partly because of this preventive work, Nat Geo reports. (Pictured above, Indigenous members on a “bushwalk” in Australia.)
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| This was edited and curated by Monica Williams, Heather Kim, and David Beard. Have an idea or a link for us? Let us know at david.beard@natgeo.com. Have a good week ahead! | | | |
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