evolution

7 Things You’ll Never Believe About Life on the Galapagos Islands

I’ve had the life-altering experience of living in Galapagos for two months while volunteering on the communications team at the Charles Darwin Foundation. But rather than detailing the ins and outs of my daily tasks, I thought I would share some of the loco, mindboggling facts I have learnt about this enigmatic archipelago (and the planet) while living here….

Read More

March 9, 2014: Racing the Iditarod With Twins, Time Traveling to a Black Hole and More

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend on radio, or listen below! Hour 1 – Having a partner can help competitors survive…

Read More

Animal Without a Brain Can “Sneeze,” Surprising Study Shows

By Karl Gruber They don’t exactly say achoo, but sponges can “sneeze,” according to a new study that shows the simple aquatic creatures are more complex than previously thought.  Sponges are stationary animals, found in both marine and fresh water, that lack nervous and digestive systems. The porous invertebrates have a central cavity called an…

Read More

Video: Why Do Prairie Dogs Do “The Wave”?

It’s not easy being a rodent in the U.S. Great Plains. Animals like black-tailed prairie dogs (Cynomys ludovicianus) are under constant threat of being preyed upon from land and air by predators that include hawks, eagles, and coyotes. To cope with this danger, the social animals are in constant communication, including via so-called “contagious” displays, in which…

Read More

A New Species of Wild Cat Found Prowling Brazilian Forests and Grasslands

Wild cats are charismatic creatures, so you’d think we’d know them all pretty well by now. Just how little we understand—at least in some cases—is reflected in the identification of a new species of cat known as a tigrina in northeastern Brazil. Scientists have discovered that two populations of tigrina previously thought to be one species do…

Read More

Male Lizards Less Attracted to “Bearded Ladies”

When it comes to choosing a mate, even lizards have certain standards. Tracy Langkilde, an associate professor of biology at Penn State University, and Lindsey Swierk, a graduate student in Langkilde’s lab, recently looked at the relationship between body-color patterning and mating behavior in the fence lizard Sceloporus undulatus, and found that the sex lives…

Read More

New Species of Spiny Rat Found in Indonesia

In the remote mountain forests of Halmahera (map), the largest island of the Maluku archipelago in Indonesia lurks the newest member of the rodent family sporting spiky brown fur and a stubby tail. Scientists first discovered the distinctive rodent, called the Boki Mekot rat (Halmaheramys bokimekot), while on an expedition to Halmahera in 2010. When lead researcher…

Read More

New Species of Spiny Rat Found in Indonesia

In the remote mountain forests of Halmahera (map), the largest island of the Maluku archipelago in Indonesia lurks the newest member of the rodent family sporting spiky brown fur and a stubby tail. Scientists first discovered the distinctive rodent, called the Boki Mekot rat (Halmaheramys bokimekot), while on an expedition to Halmahera in 2010. When lead researcher…

Read More

A Colorful View of Incredibly Sticky Feet

  These are gecko feet. Notice their crazy toes. The “stripes” are made of modified scales covered in thousands of “hairs,” only twice as long as our hairs are thick. Each hair branches into thousands of tips. Each tip branches into hundreds of tinier tips. These tiny-tips are so tiny (like size-of-the-wavelength-of-visible-light tiny) that they…

Read More

About the Blog

Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

Opinions are those of the blogger and/or the blogger’s organization, and not necessarily those of the National Geographic Society. Posters of blogs and comments are required to observe National Geographic’s community rules and other terms of service.

Voices director: David Braun (dbraun@ngs.org)

Social Media