SOON after the occupation of Egypt by a British military force in 1882, the late Prof. Huxley, then president of the Royal Society, directed attention to the valuable opportunity that was afforded ...

In that case, the wells must be dug deeper in order to tap into the Marshall aquifer, which is covered by a thick layer of impermeable clay, preventing it from recharging at a fast rate.

In quick succession ... craters through clay layers long ago and then refilled with sand over time. They have had a key role in the pollution disaster, according to the state Geological Survey ...

P.G. Satellite image of lakes with varying amounts of chlorophyll. Image credit: US Geological Survey. Climate change and algal biomass in lake ecosystems Climate change is expected to intensify algal ...

Travelers can’t go wrong with the wine that put Okanagan on the map, the chardonnay from Mission Hill Family ... of the world’s most talked-about sparkling wines. With similar geological features to ...