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“Killer Sperm” Found, Prevents Worms From Cross-Breeding

In the first identified case of “killer sperm,” females that mate with males of another species can become sterile or even die, a new study says.

Extramural Activities: Paint and Fossils

Emily Hughes brings us tales of adventure and discovery from the Australian Outback as she and her mother search for unbelievably ancient fossils. Paleontologists learn to do more than just paleontology when necessary; for them, useful skills can include making murals.

July 27, 2014 Radio Show: Curing Cancer, Spending Summer Nights With Fireflies and More

This week on National Geographic Weekend, join host Boyd Matson and his guests as they invent a cheap cancer detection system, scour the earth’s poles for adventure, ingratiate themselves with a cheetah family, give the facts on fireflies, conjure life from the fangs of a viper, feed Africa from Africa, roadtrip across the United States in comfort, and photograph National Geographic’s past.

The Fall and Rise of the Amphibian Empire

In 1970, a group of experts on frogs, toads, salamanders, and caecilians noticed that populations of the Yosemite Park Toad in California had suddenly crashed. The habitat was suitable, there seemed to be nothing wrong but their numbers had crashed to very low levels. People scratched their heads and thought of it as just one…

Genographic Project DNA Results Reveal Details of Puerto Rican History

DNA analysis of living inhabitants of Puerto Rico sheds light on the island’s colonial history.

Journey of the Sea Lion, Part Two: Totem Poles, New and Old

Jon Waterhouse and Mary Marshall join the voyage of the National Geographic expedition vessel, the Sea Lion, to tour and discover some of the best that the ecosystems and cultures of the Pacific Northwest have to offer. As the journey continues, the Haida people showcase their ongoing way of life and stunning artwork.

Are Crows Smarter Than Children?

One clever young bird solved a problem that has stumped six-year-old children, according to a new study.

#okavango14: Over Africa’s Wetland Wilderness

Africa’s newly-minted UNESCO World Heritage Site, Botswana’s Okavango Delta, from the air and from space… This emerald green oasis buzzes with life during the summer months when grand thunderstorms sweep across the delta…

A Tahitian Welcome for the Worldwide Voyage

The Worldwide Voyage received a colorful and memorable welcome to Tahiti, which Hōkūle‘a crew member Ana Yawaramai writes about from her own perspective.

Mysterious Fossils in 3D

Emily Hughes brings us tales of adventure and discovery from the Australian Outback as she and her mother search for unbelievably ancient fossils. Pteridiniums are ancient organisms full of mystery—and those found in the Outback prove these life forms to be much older than previously thought.

Western Mediterranean Island Conservation

I am visiting the Iberian Peninsula this week en route to the 14th Rodens et Spatium conference in Portugal. Today in Valencia I am looking out over the Western Mediterranean basin. This area is steeped in human history, including upon its hundreds of islands. Romans colonised these parts over 2,000 years ago, and like everywhere…

Places, Experiences and Objects to Dream About

This post is the first in the series Places, Experiences and Objects to Dream About, which profiles marvelous locations, unique life experiences and objects of interest to modern explorers that Kike discovers during his travels.   The idea for this new column came up as I was staring at a small fur seal puppy playing…

Bats Set Their Internal Compass at Dusk—A First Among Mammals

Bats may be known for their stealth in the dark, but a new study shows they need light from the setting sun to navigate.

Top 25 Wild Bird Photographs of the Week #71

Woodpeckers, nutcrackers, flycatchers, sunbirds, roadrunners and babblers in this 71st Edition! Astonishing what can be achieved with a bit of patience, care and a passion for birds. Wild birds have become the subject of choice for thousands of photographers around the world. They extremely hard to photograph. You need the best equipment you have access to…

July 20, 2014 Radio Show: Making Music With Elephants, Running Hundreds of Miles Through Mountains and More

This week, on National Geographic Weekend radio show we run ultramarathons through Nepal, Switzerland and Utah’s Rocky Mountains, then we save goliath, learn safety tips about the newest bacterial threat, making music with elephants, visit the world’s largest caverns, and find some secret cities.