Sierra McKenzie

17 Flips | 3 Magazines | 2 Following | @mckenziesierra | Keep up with Sierra McKenzie 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 “Sierra McKenzie”

Don’t Call Them Spiders: A Closer Look at Tiny Harvestmen

Changing Planet<p>Some of the cyphos collected from Bukidnon Province on Mindanao in July 2014. The one at the top is male, and the others are female. (Photo by Ronald Clouse)<p>What’s cuter than a basket of puppies, you ask? Easy: a dish full of cyphos!<p>Collected by us last July, specimens of these …

Starting the Search for Underwater Giants in the Solomon Sea

Changing Planet<p>Even the best laid plans go astray. After one year of planning in every conceivable way—the two of us camped out in backyards, in cafes, on campus, on planes and trains—we finally felt as prepared as we could be to visit a place neither of us had ever been, to study a fish neither of …

Get Involved to Protect the African Lion

Changing Planet<p>It is estimated that there are approximately 35,000 wild lions in Africa. This is a large decline in the total population since last estimates in 1980 of about 76,000. The decline is largely due to habitat loss, loss of prey base, and increased human-lion contact. (Related post: Lion …

Rare Shark That Inspired Sea Monster Myths Is Caught

Frilled sharks are rarely seen denizens of the deep that resemble their dinosaur-era ancestors.<p>With its gaping, tooth-filled mouth and its slender, eel-like body, it’s not hard to see why scientists think the frilled shark may have inspired ancient tales of sea monsters. Looking like something out …

Human Ancestors May Have Used Tools Half-Million Years Earlier Than Thought

Fossil hand bones show evidence of tool use more than three million years ago.<p>Who swung the first hammer stone? Early human ancestors may have hefted tools more than three million years ago, ancient hand bones suggest. That’s roughly half a million years earlier than the oldest stone tools yet …

How Reducing Food Waste Could Ease Climate Change

Producing the food we throw away generates more greenhouse gases than most entire countries do.<p>More than a third of all of the food that's produced on our planet never reaches a table. It's either spoiled in transit or thrown out by consumers in wealthier countries, who typically buy too much and …

Week's Best Space Pictures: Mars Blasts Puff, Bubble Blows Rough, and Rockets Sound Off

Northern lights gleam, stellar debris blows into a bubble, and gassy explosions leave behind pits in this week's best space pictures.

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Help Us Detect Microplastics in Our Rivers

Changing Planet<p>Winter on the Gallatin. (Photo by Emily Stifler Wolfe)<p>For two years, my organization Adventurers and Scientists for Conservation has engaged ocean goers to collect surface water samples from the oceans, finding more than 93 percent of the samples contaminated with plastic debris.<p>We …

Distant World Has Rings 200 Times Bigger Than the Rings of Saturn

Giant planet is the first found with a ring system like Saturn's.<p>A team of U.S. and British astronomers has stumbled on what may be a giant planet with rings 200 times the size of Saturn's.<p>The distant world, known as J1407b and first noticed four years ago, orbits a star located about 430 …

Could Drilling in the Atlantic Harm Fish, Whales, Turtles?

A proposal from President Barack Obama could open parts of the U.S. Atlantic coast to drilling.<p>The swath of Atlantic Ocean the Obama administration may open to oil and gas exploration is an ecologically diverse network of soft-bottom shelves and rocky canyons that includes some of most dynamic and …

North Atlantic

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Is Pollution Weakening Polar Bears' Ability to Mate?

Weird & Wild<p>A new study finds a link between chemicals and bone loss that could damage males' penises, potentially harming reproduction.<p>In the Arctic, pollutants banned from the U.S. in 1979 but still floating around the environment seem to be affecting the strength of polar bear penile bones, …

Bears

Get to the Point: 5 Fast Facts About Porcupines

Weird & Wild<p>We identify a porcupine in a reader's photo and separate prickly fact from fiction.<p>When Emily in Canada asked for help identifying what species of porcupine she photographed here in NatGeo's Your Shot, we turned to Uldis Roze of Queens College at the City University of New York, who …

Porcupine