These create lots of small air gaps. Water drains through them easily so it usually feels dry. Clay soil is usually sticky and has small particles. They contain very few air gaps and water does ...

Rwanda-backed M23 rebels have taken Democratic Republic of Congo’s strategic city of Bukavu in the country’s mineral-rich east. This means M23 now controls all of eastern Congo’s border with ...

Double-sided van der Waals epitaxy across an ultrathin membrane provides a new method for growing a vertical junction with an atomically sharp interface, enabling the direct detection of selection ...

Having clay-colored or light-colored stool just once, or every now and then, isn't usually a concern. But a consistently pale or light poop color may be a sign of a serious medical condition like ...

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