CLIMATE MATTERS: Receding glaciers in the Arctic will lead to warmer Arizona
TUCSON, Ariz. (KVOA) — We have heard a lot about glaciers receding over the last couple of decades due to warmer temperatures.
Source: kvoa.com
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CLIMATE MATTERS: Troubles with dryland farming
TUCSON, Ariz. (KVOA) — Dryland farming is a popular method for areas where water is expensive or where people rely on crops grown in winter and don't need artificial irrigation.
Source: kvoa.com
How NASA Scrambled to Save OSIRIS-REx From Leaky Disaster
To revist this article, visit My Profile, then View saved stories. On October 20, an uncrewed spacecraft roughly the size of a Sprinter van and traveling at the glacial pace of 10 centimeters per second collided with an asteroid 200 million miles from Earth. The OSIRIS-REx craft’s proboscis-like “Touch-and-Go Sample Acquisition Mechanism” (Tagsam), an 11-foot-long shock absorber tipped by a round vacuum head and a collection canister, touched down atop a boulder on the asteroid Bennu’s surface—and appeared to smash right through it. Several seconds after impact, the arm had punched...
Source: wired.com