New research that may presage effects of climate change on this species looks back 22,000 years, finding robust growth in the East Antarctic population as melting followed the last ice age.

C. Sullivan
Cody Sullivan, a Fall 2015 news intern for Eos.org, graduated in 2015 from Boston University with an M.S. in science journalism and holds a B.S. in ecology and evolutionary biology from the University of California, Santa Cruz. Prior to joining Eos.org, he interned at Business Insider and Tech Insider, focusing on environmental, life, and Earth sciences. Currently, Cody is a science writing fellow for the U.S. Forest Service.
Cave-Dwelling "Slime Curtains" Cycle Nitrogen and Iron
In a cave accessible only by daredevil divers, extraordinary microbial colonies metabolize nitrogen and iron nutrients and possibly remove pollutants from water.
Researchers Track Underwater Avalanches Like Never Before
Using beach ball–like detectors, researchers set out to determine how sediments, which could contain toxic contaminants, travel through submarine canyons to greater depths.
Targets of Biggest Global Carbon Emitters Flunk Fairness Test
Pledges so far by the United States, European Union, and China would require all other countries to emit 7 to 14 times less per capita than those three regions by 2030 to limit warming to 2°C.
This Winter's El Niño Might Only Dent Western U.S. Drought
The National Oceanic and Atmospheric Administration released its winter weather outlook, which predicts a warm and wet winter in California but not enough rain to eliminate the state's pernicious drought.