Late last month, George Takei visited NASA's Johnson Space Center to speak about leadership and inclusiveness at an event sponsored by the Agency's "ASIA" and "Out & Allied" resource groups, which represent the Space Center's Asian-Pacific American and LGBT employees, respectively. »
Our genes don't just help determine who we are — they also preserve an incredibly ancient record of who our ancestors were. Our genomes can actually reveal human population sizes dating all the way back to before humans even existed. »
We can trace our evolutionary heritage back millions of years, but it's surprisingly tricky to say with certainty which hominid species came directly before us. Now it looks like one of our evolutionary cousins is actually our parent species. »
This gigantic tool is an ore-grinding machine at the Kumtore gold mine, the largest in Central Asia. The mine clings to the side of the Tien Shien mountain range, 4200 meters above sea level in Issyk Kul Province, Kyrgyzstan. Want to see the process of smelting gold up there in the mountains of Kyrgyzstan?