Each week, millions of users around the world search for online health information. Google had found close relationship between how many people search for flu-related topics and how many people actually have flu symptoms. Google Flu Trends uses aggregated Google search data to estimate flu activity in your state up to two weeks faster than traditional systems.
Google compared query counts with data from a surveillance system managed by the U.S. Centers for Disease Control and Prevention (CDC) and discovered that some search queries tend to be popular exactly when flu season is happening.
So why bother with estimates from aggregated search queries? It turns out that traditional flu surveillance systems take 1-2 weeks to collect and release surveillance data, but Google search queries can be automatically counted very quickly. By making our flu estimates available each day, Google Flu Trends may provide an early-warning system for outbreaks of influenza.
The Arctic sea ice melt is a disaster for the polar bears,” according to Kassie Siegel, staff attorney for the Center for Biological Diversity. “They are dependent on the Arctic sea ice for all of their essential behaviors, and as the ice melts and global warming transforms the Arctic, polar bears are starving, drowning, even resorting to cannibalism because they don’t have access to their usual food sources.”
Scientists have noticed increasing reports of starving Arctic polar bears attacking and feeding on one another in recent years. In one documented 2004 incident in northern Alaska, a male bear broke into a female’s den and killed her.
In May, the U.S. Department of Interior listed the polar bear as a “threatened” species under the Endangered Species Act. In a news release, U.S. Interior Secretary Dirk Kempthorne stated, “loss of sea ice threatens and will likely continue to threaten polar bear habitat. This loss of habitat puts polar bears at risk of becoming endangered in the foreseeable future, the standard established by the ESA for designating a threatened species.
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