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Posts by Deanna Conners

kilauea-lava-flow-usgs-300
Blogs | Sep 18, 2014

Kilauea volcano lava continues to advance

Lava flow on the northeast side of Kilauea – Hawaii’s most active volcano – is setting trees and shrubs in its path on fire, but the fires are not spreading officials say.

coal-emissions-flickr-300
Blogs | Sep 15, 2014

New report detects substantial rise in greenhouse gases

The most recent rise in carbon dioxide is the largest annual change seen for this gas since 1984.

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Blogs | FAQs | Sep 11, 2014

What are cloud streets?

Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!

tornado-twins-noaa-300
Blogs | Aug 25, 2014

Are tornado outbreaks on the rise?

A new study has found that dangerous tornado outbreaks in the U.S. are on the rise.

gulf-deadzone-screengrab
Blogs | Aug 18, 2014

2014 Gulf of Mexico dead zone has grown to 5,052 square miles

Scientists head out to the Gulf of Mexico every summer to measure the size of the dead zone—an area with oxygen levels that are too low to support most marine life.

atlanta-georgia-schipul-300
Blogs | Aug 06, 2014

Humid cities are worse urban heat islands than dry cities

In a study of 65 cities across N. America – some humid and some dry – poor “convection efficiency” in humid cities made the urban heat island effect more intense.

sahara-dustplume-nasa-300
Blogs | Jul 28, 2014

Iron from Sahara dust helps fertilize Atlantic Ocean

Some 71% to 87% of the iron in North Atlantic seawater may have originated in dust from the Sahara desert.

yellowstone-midway-geyser-basin-nps-300
Blogs | Jul 22, 2014

Reservoir of molten rock under Yellowstone is 2.5 times bigger than thought

If the Yellowstone supervolcano were to erupt today, it would have major, perhaps catastrophic, consequences.

golden-plover-uconn-300
Blogs | Jul 10, 2014

Arctic shorebirds may help disperse plants all the way to South America

Migrating Arctic shorebirds may play an important role in the long-distance dispersal of mosses and liverworts to remote regions in North and South America.

fireworks_flickr_300
FAQs | Jul 04, 2014

How do fireworks get their colors?

The colors in fireworks help create “ohhhhs” and “ahhhhs.” But what creates the colors?