Description: The Theodore Roosevelt Papers are now digitized and available online through the Library of Congress Digital Collections. Don't try browsing all at once—there are over 450,000 images! [via Library of Congress][edan-image:id=siris_sic_9575,size=300,center]With the help of ground-penetrating radar, the Norwegian Institute for Cultural Research has discovered a thousand-year-old
Description: Though photographs are accepted as subjective but ultimately faithful visual reproductions of reality, in many instances they don’t correspond to our experience. Pupils don’t regularly glint red, and people don’t transform into the streaked, evanescent smears we so often witness in photos. Yet we have no trouble accepting these inconsistencies, knowing that taking a picture of
Description: Dr. Jennifer Whitten, postdoctoral fellow at the Center for Earth and Planetary Studies of the National Air & Space Museum, studies radar data to understand the surface geology of Venus, Mars, and the Moon. #Groundbreaker