During the 1980s, wildlife managers said striped bass like this one were overfished. Now, it appears that a weather pattern known as the Atlantic Multidecadal Oscillation may have been a contributing factor to the declines. Jay Fleming/Jay Fleming Photography hide caption

itoggle caption Jay Fleming/Jay Fleming Photography

The decorated nest of an 11-year-old black kite. At this age, kites typically decorate their nest exuberantly. F. Sergio/AAAS/Science hide caption

itoggle caption F. Sergio/AAAS/Science

Haitians watch the L.A. County Search and Rescue working at a collapsed building in downtown Port-au-Prince, Jan. 16, 2010. Weak walls allow for a "pancake collapse" like this one, one engineer says. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Researchers say metal flipper bands like the one on this penguin lowered survival rates and harmed the number of chicks the banded birds produced. Benoit Gineste/Nature hide caption

itoggle caption Benoit Gineste/Nature

A Lens On History: Advances in DNA technology have given scientists a new tool with which to study ancient human origins. "I think ancient DNA becomes very powerful" now, says one researcher, "because it gives you a direct look into the past." Here, a photographer shoots a reconstruction of a Neanderthal man at a museum in Germany. Sebastian Willnow/AFP/Getty Images hide caption

itoggle caption Sebastian Willnow/AFP/Getty Images

An electric vehicle charging station in San Francisco. With sales of electric and plug-in hybrid cars expected to increase in coming years, a regional agency has set aside $5 million to increase the number of electric car charging stations to 5,000 around the Bay Area, up from 120 currently. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Sierra Club activists wearing flags, representing more than 20 countries, take part in a protest by hiding their heads in the sand in Cancun last week. The group said countries participating in the United Nations Framework Convention on Climate Change in Cancun are not doing enough to stop climate change. AP hide caption

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Climate scientists and environmental advocates face an uphill battle as more Americans deny that global warming is real despite scientific evidence to the contrary. Here, a Greenpeace member checks the inside of a hot air balloon before it's launched in Cancun, Mexico. Luis Perez/AFP/Getty Images hide caption

itoggle caption Luis Perez/AFP/Getty Images

This sculpture of a Homo neanderthalensis adult male represents Neanderthals that lived between 225,000 and 28,000 years ago. It is a reconstruction based on Shanidar 1, made for the Smithsonian Human Origins Initiative. John Gurche, sculptor, Chip Clark, photographer/Smithsonian Human Origins Initiative hide caption

itoggle caption John Gurche, sculptor, Chip Clark, photographer/Smithsonian Human Origins Initiative

A bladder at a camp in Port-au-Prince holds fresh water. Sanitation and clean water are key to staving off cholera, and public health officials are launching a massive education effort using text messages and radio broadcasts. Christopher Joyce/NPR hide caption

itoggle caption Christopher Joyce/NPR

Two trucks crashed on a road toward Saint-Marc in Haiti. One truck was carrying Coke bottles, the other was full of people. The head-on collision knocked the bed off the back of one truck, killing several and injuring many more. Christopher Joyce/NPR hide caption

itoggle caption Christopher Joyce/NPR

Philomena Josephat and her father Joseph at St. Nicholas Hospital. Joseph, who has recovered from cholera, said: "I've never felt sick like that before, but I lost a child, and since then my health left me. And with this, that's even worse. I felt like I was dying." Carl Thalemaque for NPR hide caption

itoggle caption Carl Thalemaque for NPR

A banner in a street in Port-au-Prince urges people to wash with soap. Though the cholera epidemic has stabilized for now, health officials are working to contain and quell the outbreak and warn that the epidemic is not yet over. Nicholas Kamm/AFP/Getty Images hide caption

itoggle caption Nicholas Kamm/AFP/Getty Images

Inside Veolia Energy's Plant Three in Baltimore, blue pipes carry chilled water that will be sent out to cool nearby buildings. The green pipes carry condensed water that removes heat from the chilling system, and orange pipes carry a refrigerant. The yellow pipes are for a future cooling system. Mike Ruocco/NPR hide caption

itoggle caption Mike Ruocco/NPR