[ad_1] Of the many feats Harriet Tubman accomplished, none awe me more as an historian than the estimated 13 trips she made to Maryland’s Eastern Shore. Each time, she stoleRead More
Tag: traces
Traces of Prints Long Thought to be Bears May Have Been Man-made
[ad_1] New research suggests that fossilized footprints found in Tanzania in the 1970s and thought to have been made by bears for decades may have been left by an unidentifiedRead More
Gilbert V. Levin, who said he found traces of life on Mars, dies at 97
[ad_1] Dr. Levin met T. Keith GlennanAt a Christmas party, NASA’s first administrator was asked if the newly formed space agency was interested in searching for life on Mars. HeRead More