District of Columbia Geographic Alliance

This account has been hacked. Do not accept anything 5 31 2025

Happy ! Do you know why Feb. 29 only comes around every 4 years? Find out: http://nasa.tumblr.com/post/140213092979/leap-daywhy-does-it-exist

The London that could have been After the Great Fire of 1666, five different architects drew up plans to rebuild the city – none of which were followed. But what if they had been?

The True Size of Africa - Brilliant Maps While it doesn't look it, Africa is big, really big. In fact, Africa's true size is 30 million square km, just under twice the size of Russia or bigger than Canada, the United States and Chine put together!

This Is How Sand Looks Magnified Up To 300 Times Comparing something to a grain of sand is usually supposed to mean that it's small or insignificant, but Dr. Gary Greenberg's microscopic photography aims to turn this stereotype on its head. His photographs of miniscule grains of sands reveal that each grain of sand can be beautiful and unique. The…

Artist Makes 3-D Portraits From DNA Found on Gum, Cigarette Butts, and Fingernails Artist Heather Dewey-Hagborg's "Stranger Visions" series poses larger questions surrounding genetic surveillance.

The Presidents Who Gave Us Our Best Parks A look back at which U.S. presidents deserve the credit for establishing some of our first, biggest, and most majestic parks and monuments.

WATCH LIVE: D.C.'s first ever 'Eagle Cam' First, we had the 'Panda Cam'. Now you can spend hours on end watching D.C.'s first ever 'Eagle Cam'.This is truly a first in the District's history. Never before have scientists or the public been able to watch nesting bald eagles raise their young. And

http://www.thedrive.com/article/2171/nasas-giving-away-brilliant-space-travel-posters-for-free

NASA’s Giving Away Brilliant Space Travel Posters For Free These WPA-style artworks from NASA’s design studio are wonderful. And they’re free, too.

http://www.edutopia.org/blog/black-history-month-teaching-resources-matthew-davis?gclid=CKbFtKL73coCFdUSHwodaUQCyg

6 Teaching Tools for Black History Month