NASA scientists say that there were once thousands of volcanic eruptions on Mars. These explosive blasts, in the northern Arabia Terra region, were “super eruptions,” the largest and most powerful kind known. The intense activity continued for about 500 million years, about four billion years ago.
I was dangling from a thin nylon rope, some 250 feet from the bottom of an icy shaft. Looking up, I noted the spindrift — blinding snow whipped into a frenzy by howling winds — that was sandblasting the entrance,…
(Massachusetts Institute of Technology) An MIT study shows radioactive molecules are sensitive to subtle nuclear phenomena. The molecules might help physicists probe violation of the most fundamental symmetries of nature, including why the universe contains relatively little antimatter.
Black carbon deposited on glaciers reduces snow’s light and heat reflection capacity, making it melt
French mathematician Sophie Germain thwarted the École Polytechnique’s ban on women by assuming the identity of a male student.