The 66 Iridium communications satellites orbiting 500 miles (800 kilometers) above Earth's surface have created a stir on many fronts. Iridium LLC, the original owner of the satellites, spent $5 billion to build and deploy the machines, then sold them for $25 million in 1999 when the compa...
The 66 Iridium communications satellites orbiting 500 miles (800 kilometers) above Earth's surface have created a stir on many fronts. Iridium LLC, the original owner of the satellites, spent $5 billion to build and deploy the machines, then sold them for $25 million in 1999 when the compa...
Abbreviations SBIV: School-based influenza vaccination – immunizing children with seasonal influenza vaccine at school; AHS: Alberta Health Services; FG: Focus group(s); km: kilometers. Competing interests The authors declare that they have no competing interests. Authors' contrib...
Therefore it wasn’t able to expand beyond the 4.9 square kilometers allotted to it. The extreme popularity of the destination and the limits on expansion means that the town’s limited real estate is extremely expensive and almost entirely devoted to high-end tourism. Nearly everyone who lived...
Between 2000 and 2019, mining destroyed 1260 square miles (3,264 square kilometers) of forest [source: Giljum et al.]. Palm Oil Palm oil is found in many packaged foods and beauty products. But palm oil is another cause of deforestation. Demand for palm oil has led growers to clear ...