gary wallace

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Space Exploration

New Research Affirms That Milky Way Has Four Spiral Arms

Our Milky Way galaxy has four arms instead of two, according to just published results of a 12-year study by scientists in the U.K.<p>The findings, published in the <i>Monthly Notices of the Royal Astronomical Society</i>, affirm what astronomers surmised in the 1950s but began to doubt in 2008 after seeing …

Strong-Arm Policies Leave Venezuela Teetering on the Brink of Collapse

Venezuela’s increasingly radicalized economic policies coupled with tame oil prices threaten to further erode the Latin American country’s already-alarming financial condition.<p>In recent days, both Standard & Poor’s and Moody’s downgraded Venezuela’s credit rating, with Moody’s warning of a …

2013 in review: a year of increasing extreme weather events

John Vidal looks back at a year of record heatwaves, floods, rainstorms and cyclones<p>2013 was the seventh warmest year on record and saw one of the strongest cyclones, some of the longest heatwaves and the most topsy-turvy weather experienced in decades.<p>Nowhere is thought to have witnessed faster …

In defence of drones

Ignore the drone myths. They're not 'indiscriminate killers' but assets that keep civilians and troops safe<p>Few defence issues have excited as much passion over recent years as military "drones". Much criticism, though, is based on genuine misunderstanding or a wild misrepresentation of reality – …

Bottled Water Ban In San Francisco Would Be One Of Nation's Strictest

San Francisco may implement one of the strictest bottled water bans in the country if the Board of Supervisors approves a proposal to ban its sale on public property.<p>The proposed legislation from Supervisor David Chiu would gradually phase in a ban on the sale of bottled water of 21 fluid ounces or …