Imperial, California - With a record jackpot estimated at more than $1.5 billion, this week's Powerball drawing has created a frenzy across the United States. What makes us so excited about the remote possibility of correctly matching six numbers to win an enormous amount of money? Mayo Clinic psychiatrist Dr. Sheila Jowsey-Gregoire provides some insight into the Powerball mania.

Reston, Virginia - Researchers have found clear evidence that biological communities rich in species are substantially healthier and more productive than those depleted of species.

Washington, DC - Climate experts from NASA and the National Oceanic and Atmospheric Administration (NOAA) will discuss the release of new data on 2015 global temperatures, and the most important weather and climate events of the year, during a media teleconference at 11 a.m. EST Wednesday, January 20.

Washington, DC - The Energy Department’s (DOE) Advanced Research Projects Agency-Energy (ARPA-E) announced $11 million in funding for seven transformational projects that will develop realistic, open-access models and data repositories to aid in improving the U.S. electric grid.

Washington, DC - Building on his remarks in his State of the Union, today the President used his Weekly Address to announce new proposals to provide workers with wage insurance, stronger Unemployment Insurance protections, and support for retraining to get the next job. These proposals are part of the Administration’s broader push to strengthen and modernize our Unemployment Insurance system by closing holes in coverage and strengthening connections to work.

Washington, DC - President Obama today convened his National Security Council to discuss the intensification of our campaign to degrade and destroy ISIL. The President was briefed on recent progress by Iraqi security forces in taking back Ramadi, and on ways we and our partners in the Global Coalition to Counter ISIL continue to accelerate and integrate the military campaign on all possible fronts in Iraq and Syria.