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Posts by Deanna Conners

greenland-fishingboat-300
Blogs | May 20, 2015

North Atlantic circulation slowing down already?

A predicted global warming effect is a slowdown in North Atlantic Ocean circulation. New research shows recent decreases that are unprecedented in the past 1,100 years.

mount-st-helens-1980-nps-300
Blogs | May 18, 2015

This date in science: Cataclysmic eruption at Mount St. Helens

The May 18, 1980 eruption at Mount St. Helens was one of the most destructive volcanic events ever recorded in the history of the United States.

Permafrost distribution from International Permafrost Assocation
Science Wire | Apr 27, 2015

Carbon from melting permafrost goes back to atmosphere

According to a new study, microbes eat the carbon and release it as CO2, where ends up back in the atmosphere and contributes to further warming.

tseajaia-nobu-tamura-300
Blogs | Apr 20, 2015

Ocean acidification drove Earth’s largest mass extinction

New evidence suggests that ocean acidification played a key role in the Permian–Triassic mass extinction event 252 million years ago that killed most life on Earth.

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Blogs | Apr 01, 2015

Spring means these 4 hibernators are waking up

With the onset of spring in the Northern Hemisphere, animals that hibernate are waking up from a long-period of deep sleep.

Photo credit: Jane Wildoner
Science Wire | Mar 20, 2015

Why does Earth have four seasons?

Many believe Earth’s changing distance from the sun causes the change in the seasons. But that is not the case.

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Blogs | Mar 15, 2015

El Niño has arrived, says NOAA

After months of anticipation, the NOAA Climate Prediction Center finally issued an El Niño advisory on March 5. How will it affect your weather?

galapagos-tortoise-300
Blogs | Mar 09, 2015

Good news! Young tortoises spotted on Galapagos island

Tortoise hatchlings spotted on the island of Pinzón last year are the first to have survived there in more than a century. Thanks to conservation efforts, tortoises are making a comeback.

Earth and moon via NASA
Blogs | Feb 23, 2015

When is the next leap year?

No leap year in 2015. The next leap day will be February 29, 2016. The reason for leap years explained here.

Image credit: NASA
Blogs | Feb 21, 2015

High risk for future U.S. megadroughts

The U.S. Southwest and Central Plains are at high risk for a megadrought later this century if greenhouse gas concentrations continue to rise, says a new study.