Alex Chatzipetros

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PATA Days 2018

Welcome to the 9th International INQUA Meeting on Paleoseismology, Active Tectonics and Archeoseismology and its associated Summer School on Active …

Thessaloniki

The Secret Life of Yo-Yos

The modern version of the toy is practically unrecognizable, an Object Lesson.<p>The man behind me in the queue was trying to be helpful: “It’s true, though, right? They are used as weapons in Asia. I go there a lot and I’ve seen them do it—they’re lethal.” He made a sudden gesture, like Spiderman …

Disarm

Do private high-tech commuter buses jibe with public transportation?

Jitney-like shuttle startups, such as Leap and Chariot, have been criticized as being elite services that compete with mass transit, but urban planners don't quite see it that way.<p>What sold Matt Lee on the latest transportation startup was the promise that he could sit down during his commute to …

Yosemite Climbers Attempt Historic First Free Ascent of El Capitan’s Dawn Wall

This week all eyes are on climbing’s center stage, El Capitan, the 3,000-foot monolith in Yosemite National Park, as professional climbers Tommy Caldwell, one of our 2015 Adventurers of the Year, and Kevin Jorgeson vie to make history and complete the first free ascent of the Dawn Wall. Should they …

Warren G. Harding

Greece parliament faces crucial presidency vote

<b>Greece's parliament is holding a third and final vote on whether to approve a president nominated by Prime Minister Antonis Samaras, in a move that could trigger a snap election.</b><p>The candidate, Stavros Dimas, has so far failed to get the constitutionally required majority.<p>Failure to elect him would …

Stunning Time-Lapse Reveals Auroras and Earth From Space

Astronaut Alexander Gerst made the video from International Space Station.<p>As if Santa attached a GoPro camera to his sleigh, a new video reveals the Earth as few have seen it.<p>Published this week, the time-lapse shows stunning views of the Earth, sunrises, clouds, lightning, auroras, stars, and the …

Space Exploration