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Posts by Deanna Conners

ocean-map-north-atlantic-300
Blogs | Oct 20, 2014

New seafloor map reveals thousands of seamounts

A new global map of the ocean, made with satellite data, reveals thousands of previously uncharted seamounts.

autumn-leaves-ducasse-300
Blogs | FAQs | Oct 17, 2014

Why do trees shed their leaves in the fall?

Something to think about while raking.

brent-christner-nsf-300
Blogs | Oct 08, 2014

Diverse microbes found deep beneath Antarctic ice sheet

Nearly 4,000 species of microorganisms were found in the cold, dark waters of Lake Whillans, which sits about half a mile below Antarctica’s ice sheet.

rufous-hummingbird-male-300
Blogs | Oct 01, 2014

2014 State of the Birds report: Mixed marks for U.S. birds

While some wetland birds in the U.S. appear to be doing well because of conservation programs, other birds are experiencing steep declines in population numbers.

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.

cloud-streets-bering-sea-20jan2006-300
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.