Taxonomy term

may 2015

Megafloods mostly shaped Icelandic canyon landscape

A new study suggests that in one environment prone to catastrophic floods, the Jökulsárgljúfur Canyon in northeastern Iceland, the effects of several megafloods in the past 9,000 years have sculpted the canyon landscape far more so than “background” erosion caused by water and sediment flowing through it.

22 May 2015

Down to Earth With: Marine Geophysicist Maya Tolstoy

Growing up in Scotland, Maya Tolstoy was drawn to the theater, and even briefly considered majoring in the subject in college. Instead, she chose to follow another lifelong passion and became a marine geophysicist.

21 May 2015

Flames fan lasting fallout from Chernobyl

On April 26, 1986, the Chernobyl nuclear power plant in Ukraine exploded during a catastrophic meltdown, spewing radioactivity over Eastern Europe and forcing evacuations of thousands of people. Nearly 30 years later, the scar of the Chernobyl disaster remains in Belarus, Russia and Ukraine in the form of the 2,600-square-kilometer Exclusion Zone, which is choked with dead trees and overgrown brush contaminated with high levels of radioactive cesium, strontium and plutonium. Occasional wildfires in these woods send plumes of smoke laced with potentially harmful radionuclides into the atmosphere. Now, a new study finds that climate change will likely increase the frequency and intensity of these fires, further increasing the possible hazard.

19 May 2015

Energy Notes: October 2013-2014

Oil and petroleum imports data are preliminary numbers taken from the American Petroleum Institute’s Monthly Statistical Report. For more information visit www.api.org.

 
18 May 2015

Travels in Geology: Glaciers and grapes in South Australia

If you are passionate about your Earth history and your wine, there is no better travel destination than Adelaide, which boasts the type locales of two “Snowball Earth” episodes near worldclass vineyards.

17 May 2015

Getting there and getting around in South Australia

Adelaide, South Australia’s largest airport, doesn’t host direct flights to and from the U.S., but it is well connected to Sydney, Australia’s primary international arrival point, and other Australian cities. From the airport, you can take a taxi, a metro JetBus, or a Skylink minibus (www.skylinkadelaide.com) to get into town.

17 May 2015

The new anthropology: From bones and stones to biology and behavior

Paleoanthropology is embracing a more integrated approach to understanding our ancestors’ biology and behavior, overturning long-held narratives of human evolution.

15 May 2015

Comparing apples to oranges, hyenas to humans

Traditionally, anthropologists thought that hunting played a huge role in the lives of early humans, perhaps because of the prominence of stone tools in the fossil record. But today, most researchers recognize that hominids must have exploited a wide range of resources, and were probably not exclusively carnivores.

15 May 2015

Red Planet Roundup: May 2015

With two rovers patrolling the surface of Mars, five spacecraft in orbit above it, and scientists back here on Earth studying the Red Planet from afar, new findings are announced almost weekly. Here are a few of the latest updates.

15 May 2015

Ancient moss reveals tsunami timing

Fishermen trawling Norway’s waters have long known of a place where the seafloor drops precipitously into the abyss. It’s called Storegga — or “great edge” — and it’s actually the steep headwall of the largest undersea landslide in recent geologic history. The slide triggered a tsunami that flooded the shores of the North Sea, reaching as far as Greenland, and likely affecting the Stone Age people that inhabited Northern Europe at the time.

 
14 May 2015

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