Measuring biodiversity across the US with space-borne lidar

Diverse ecosystems support the web of life and in the process, provide food, water, medicine and materials for humanity. But the butterfly effect tells us all things are connected. So, when biodiversity loss threatens the ...

UN meets to mull climate change quick-fix options

On the heels of another halting round of talks on climate change, UN scientists this week will review quick-fix options for beating back the threat of global warming that rely on technology rather than political wrangling.

Censoring social media fans flames of social unrest

Is social media censorship a means to quell a modern uprising? Some politicians and law enforcers during the political turbulence of 2011 thought so but recent research suggests that uncensored citizens experience less violence ...

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