Reanalyses find rising humidity in the Arctic

(Phys.org) -- Direct, reliable observations of atmospheric conditions stretch as far back as the mid seventeenth century, with otherwise consistent records being punctuated by periodic updates in methods, practitioners, and ...

Steps towards filming atoms dancing

With their ultra short X-ray flashes, free-electron lasers offer the opportunity to film atoms in motion in complicated molecules and in the course of chemical reactions. However, for monitoring this motion, the arrival time ...

MABEL flies her maiden voyage

Flying at the edge of space, a pilot wearing high-altitude flight gear maneuvered the ER-2 aircraft last month over the California desert. At 12 miles above the ground the temperature outside had plummeted to -70 F (-56 C) ...

page 4 from 5