When was the last time you planned a backpacking trip without a computer, phone, or GPS unit? Think hard. Unless you're a dedicated old-schooler, it probably wasn't recently. If your map skills are ...

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Purpose To evaluate corneal topographic features and tear secretion in eyes with the Hudson–Stahli line. Methods Keratometry, computerized videokeratography and Schirmer testing were performed in 50 ...

The saucer-shaped topography of the city, an age-old drainage network, no storm water and rain harvesting projects have once again brought back the horrors of heavy waterlogging on the streets in the ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Thanks to NASA’s Earth Observatory for this informative graphic and text on the Haiti ...