Photographer Pete McBride and writer Kevin Fedarko embark on a perilous adventure to make a sectional thru-hike of the Grand Canyon, a feat few have accomplished.
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Photographer Pete McBride and writer Kevin Fedarko embark on a perilous adventure to make a sectional thru-hike of the Grand Canyon, a feat few have accomplished. In places, the canyon is 18 miles wide and more than a mile deep, and the adventurers quickly realize the enormity of the task ahead, enduring sprained ankles and hyponatremia mere days into the hike. But the endless scrambling and climbing in the extreme heat give way to staring in awe at the beauty of the Confluence, an area considered sacred by local tribes, where the waters of the Little Colorado River and the Colorado River meet—and where developers hope to build a tram to serve up to 10,000 tourists a day.

Continue with Pete and Kevin on their journey: Part 2: Frozen Shoes and Low on Food and Part 3: Thirst and Threats in the Godscape

Read “Are We Losing the Grand Canyon?” National Geographic Magazine’s in-depth story about the development pressures facing the Grand Canyon.

http://www.nationalgeographic.com/magazine/2016/09/grand-canyon-development-hiking-national-parks/

© 2016 Peter McBride Productions LLC, WGBH Educational Foundation, National Geographic Partners, LLC with support from the National Geographic Society

Epic Grand Canyon Hike: A 650-Mile Challenge (Part 1) | National Geographic

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A captive female zebra shark separated from its mate for three years has given birth to juvenile sharks. Select photos courtesy Tourism and Events Queensland.
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A captive female zebra shark in Australia didn’t let the lack of a male shark stop her from having pups. Three years after being separated from her mate, Leonie laid eggs that hatched juvenile sharks. The asexual reproduction is the first observed in a shark that had previously mated. While scientists pondered at first whether Leonie may have stored sperm from her mate for all those years, testing of the pups revealed that to be unlikely due to their lack of genetic diversity.

Read more about Leonie and other species that have switched reproduction methods.
http://news.nationalgeographic.com/2017/01/zebra-shark-virgin-birth-reproduction/

Note: Zebra sharks are often called leopard sharks in Australia, but they are a different species from the leopard sharks found off the west coast of North America.

Select photos courtesy Tourism and Events Queensland

Endangered Shark Gives Rare “Virgin Birth” | National Geographic

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