Alaska Native News

Jupiter's Atmosphere Still Contains Water Supplied by the Shoemaker-Levy 9 Impact

By Astronomy and Astrophysics on Apr 23, 2013 Science/Education

In July 1994, the comet Shoemaker-Levy 9 (SL9) hit Jupiter and left visible scars on the Jovian disk for weeks. This spectacular event was the first direct observation of an extraterrestrial collision in the solar system, and it was followed worldwide by professional and amateur astronomers.

Cutting Back on Sleep Harms Blood Vessel Function and Breathing Control

By American Physiological Society on Apr 23, 2013 Health

BOSTONâ€”With work and entertainment operating around the clock in our modern society, sleep is often a casualty. A bevy of research has shown a link between sleep deprivation and cardiovascular disease, metabolic disorders, and obesity. However, itâ€™s been unclear why sleep loss might lead to these effects.