Presilla

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The Observer's 20 photographs of the week

The best photography in news, culture and sport from around the world this week

"Great Surprise"—Native Americans Have West Eurasian Origins

Oldest human genome reveals less of an East Asian ancestry than thought.<p><b>Nearly one-third of Native American genes come from west Eurasian people linked to the Middle East and Europe, rather than entirely from East Asians as previously thought, according to a newly sequenced genome.</b><p>Based on the arm …

See These Heartbreaking Photos Of The World’s Disappearing Cultures, Before They Fade Away

It wasn’t easy; it sometimes took him weeks to reach a community, and there usually wasn’t any way to verbally communicate, since no matter how many …

UC Berkeley

National Geographic Photo Contest 2013

National Geographic has once again opened its annual photo contest, with the deadline for submissions coming up on Saturday, November 30. One first-place winner will be chosen from each of the three categories, and the winning photographs will be published in National Geographic magazine. The …

Russian subway now accepting 30 squats as payment for ride

Want a free subway ride in Russia? All you have to do is work up a little sweat.<p>In an effort to promote both the upcoming Olympic Games in Sochi and a healthier lifestyle, the Moscow metro has set up a special vending machine that offers travelers one free ticket in exchange for performing 30 …

Entire Alphabet Found on the Wing Patterns of Butterflies

Norwegian nature photographer Kjell Bloch Sandved has devoted his photographic career to capturing the beauty of the world we live in and along the way, amassed a collection of butterfly and moth images with interesting patterns on their wings. Sanved's keen eye took notice of the spectacular …

Booker’s New York City

TravelWhere the Locals Go<p>Traveler of the Year <b>Booker Mitchell</b> was close to celebrating his fourth birthday when 9/11 happened. “Millions call New York City home, and while no one personally knows even a percentage of the population, we unite at times when it matters most and act locally like any …

Sea Slugs Stab Mates Between The Eyes to Get Them In The Mood

<b>The Marquis de Sade had nothing on this critter—a sea slug that makes out by stabbing potential mates between the eyes and, researchers suspect, drugging them.</b><p>Besides having a penis, the sea slug—an as-yet undescribed species from Australia’s Great Barrier Reef—is also armed with a hypodermic …

Our Big Beautiful Planet: Breathtaking Views of ‘Earth From Space’ (Photos)

Our Beautiful Planet<p>Our Big Beautiful Planet: Breathtaking Views of ‘Earth From Space’ (Photos)<p>A new book collects satellite images of places around …

Disappearing lives: the world's threatened tribes – in pictures

Photographer Jimmy Nelson spent nearly three years visiting 31 remote and unique tribes and cultures around the world, witnessing their rituals and capturing their traditional dresses, jewellery, weapons and symbols in a series of beautiful portraits. His book, Before They Pass Away, is published …

Meng Bill Aims to Improve Early Childhood Education

Legislation would create a federal grant program for states to prepare early childhood educators.

Early Childhood Education

A Program for Teachers to Do Short-Term Educational Travel

Christen during educational travel in Cabarete, in the Dominican Republic.<p><i>Teaching Traveling: Welcome Christen, the founder of an innovative</i> …

GlassLab launches educational version of SimCity for fighting pollution

SimCity is coming to the classroom.<p>The nonprofit GlassLab has released its first educational game based on Electronic Arts‘ SimCity city simulator, the genre-defining title that Will Wright first launched in 1989 and has become one of the biggest names in video games. The SimCityEDU: Pollution …

China’s Flowing Bridge with Three Separate Undulating Roads

In an effort to enliven the local area of a new lake district on Changsha's Meixi Lake in China, an international competition was held to design an innovative, new pedestrian bridge that would span the length of the Dragon King Harbor River. The winning proposal was a stunning concept that rises …

Landscape photographer of the year 2013 – in pictures

The winners of the inaugural Take a View Landscape Photographer of the Year awards have been announced

The most beautiful places on Earth – in pictures

As Lonely Planet turns 40 this year, the publisher has picked the most magnificent sights across the globe to be included in a new book entitled Beautiful World, which contains more than 200 images and aims to inspire readers to see the world as they have never seen it before

3 Tech Startups That Are Reinventing K-12 Education

Opinions expressed by <i>Entrepreneur</i> contributors are their own.<p>Back-to-school means books, backpacks, and these days, mobile devices.<p>From social networks to smartphones, schools are opening up to the technologies they once banned, embracing them as valuable tools for both students and teachers. This …