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Reading the walls

The story of New England’s iconic landform — romanticized by Robert Frost and Henry David Thoreau — highlights the intersections of geologic and human history.

19 May 2014

A new tool for atmospheric studies

Scientists are putting GPS to work in some unexpected new ways, including in atmospheric research.

30 Apr 2014

A truly global system

Like the GPS navigation system in your car or smartphone, a high-precision GPS receiver uses signals from satellites to determine the distance from the receiver to the satellite. But that’s where the similarities end. 

30 Apr 2014

Observing a plate boundary

The U.S. Plate Boundary Observatory (PBO), a component of EarthScope, includes more than a thousand continuous GPS stations arrayed across the western United States and Alaska. 

30 Apr 2014

Getting there and getting around Gubbio

Most flights to Italy from the U.S. land in Rome or Milan. If you are heading directly to Umbria, it is possible to fly from Rome to Perugia’s San Francesco d’Assisi airport, 42 kilometers from Gubbio. Direct international flights to Gubbio are possible only from London and a few other European cities. 
 
02 Apr 2014

Commissioned artwork

In 2013, the American Geosciences Institute (AGI, which publishes EARTH) commissioned glass artist Adam Frus to create a sculpture to celebrate the Geological Society of America’s (GSA) 125th anniversary. AGI was looking for something unique to capture the essence of geoscience to present to GSA.

12 Mar 2014

Be aware and prepare

Hiking the full 340-kilometer length of the John Muir Trail (JMT) isn’t a beginner backpacking trip. Make sure you enjoy slowly plodding up switchbacks carrying a heavy pack for days before you start out on this weeks-long trek. That said, I met a surprising number of people for whom the JMT was their first wilderness foray, and as far as I know, they all survived.

26 Feb 2014

Getting there and getting around on the John Muir Trail

The best time to hike the John Muir Trail (JMT) is late summer. To plan your own adventure, start by reading up on the trek at various websites such as the Pacific Crest Trail Association’s JMT trail site (www.pcta.org/discover-the-trail/john-muir-trail/) and in guidebooks. Then, when you know when you want to go, procure your permits. To start in Yosemite, you can apply for permits through their lottery over the winter or get a permit for an alternate trailhead like we did.

26 Feb 2014

Hazards abroad: Sent home

On May 19, 2012, seismologist Roger Bilham of the University of Colorado at Boulder landed at the airport in Delhi, India, on his way to Bhutan. He debarked from the plane and was met by Indian customs officials, who declared he was on the “blacklist” and not allowed entry to India, despite having a valid visa. Two hours later, he was on a plane heading back to the U.S.

15 Dec 2013

A personal plea

On Oct. 29, Gary Szatkowski, the meteorological chief at the National Weather Service office in Mt. Holly, N.J., issued this personal plea to residents in his area:

13 Sep 2013

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