Sarah Demetruk

15 Flips | 3 Magazines | 19 Likes | 3 Following | 1 Follower | @SarahDemetruk | Keep up with Sarah Demetruk on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Sarah Demetruk”

Now We Know Why Poison Frogs Don't Poison Themselves

Some frogs' nervous systems resist a toxin 200 times more powerful than morphine. How do they do it?<p>Deep in the forests of South America live poison dart frogs that carry around a toxin 200 times more potent than morphine. While it packs a fatal punch for predators, the poison doesn't much affect …

Zoology

This Hotel Wants to Save the Rain Forest

A sanctuary for native species, Inkaterra’s Machu Picchu hotel is at the forefront of sustainable tourism.<p>Ever since its 1911 rediscovery, the fabled Inca city of Machu Picchu has been hailed as one of the world’s wonders. Its intricate architecture and terraced slopes draw a million visitors a …

South America

7 Ways to Travel Local in a Foreign Country

Follow these pro tips to make your vacation more interesting and enriching.<p>"How can I make my vacation more interesting?" is a question I am often asked as a cultural educator leading dual dialogue trips around the world. The reality is that it’s on us as travelers to explore the diversity each …

Travel

Tanzanian Cycling Adventure Puts a New Spin on Safaris

Think outside the jeep and hop on two wheels to explore some of Africa's best parks.<p>Minutes into our cycling group’s first meeting, someone shares a popular YouTube video of a mountain biker getting taken out by a gazelle while riding through African grasslands. Everyone laughs, and then Justaz …

Wildlife

Roam the Icelandic Countryside on Horseback

Take in stunning highland views from the saddle of an Icelandic horse.<p>My horse knows the land better than I, so I loosen the reins and let her lead our way across Iceland’s southern highlands. Single file, our small group from Íshestar trots toward the row of mossy green mountains on the horizon, …

Horseback

Fatal Rockslide in Major National Park—What You Need to Know

On rare occasions, Yosemite's unpredictable cliffs can create dangerous conditions for park visitors.<p>At least one person is dead and another injured after a deadly rockslide fell from El Capitan in Yosemite National Park in northern California.<p>The rockslide began near the park's "Waterfall Route" …

National Parks

Product Evangelism: How to Evangelize and Create Advocates

Want to create an intensely loyal fan base for your product? Wondering how a product evangelist can help? To explore how product evangelism supports …

The Eiffel Tower Is Turning Into a Disco for One Night Only

C'est une fête!<p>Tonight, for one night only, the Eiffel Tower is set to transform into a nightclub to rival any of Paris’s after-dark establishments. The organizers expect thousands of revelers to show up, judging by their bonus announcement that the first 1,500 guests to arrive will gain free entry …

Flights to the Scottish Highlands Are on Sale for $401 Round-trip

Inverness — the unofficial capital of the Scottish Highlands — is famous for its ashen grasslands, charming seaside villages, and rugged mountain …

Why Iran Is Opening Its Doors to Bold Architecture

With 21 UNESCO World Heritage sites already within the country’s borders, the modern architecture movement appears to be making up for lost time<p>For much of the world, the image of Iran is hardened by its politics. Since the Islamic revolution of 1979, the country has been transformed from a …

University of Maryland

How Well Do You Know UNESCO World Heritage Sites?

From Incan ruins to Chinese temples, UNESCO’s got it covered<p>In 1978, when the United Nations Scientific, Educational, and Cultural Organization …

How Dinosaurs Swapped Terrifying Teeth for Bird Beaks

The world once trembled before the theropods.<p>This dinosaur group, which included bloodthirsty killing-machines like the Tyrannosaurus rex and velociraptor, was notorious for sharp, serrated teeth that many used to eviscerate prey and strip flesh clean from bones. But over millions of years, the …

Paleontology

Boeing Announces a Public $2 Million Jetpack Contest: 'Make History'

The dream of human flight could finally be within our grasp.<p>It might finally be time to fly.<p>That’s the hope of the people behind the GoFly Prize, a …

Flying Car

10 Social-Media Trends to Prepare for in 2018

Powerful social-media trends affecting both users and brands are strengthening and accelerating.<p>6 min read<p>Opinions expressed by <i>Entrepreneur</i> contributors are their own.<p>In the past year, a number of significant stories involved social media: Facebook lured Snapchat users to Instagram, the president …

Social Media