Mystery of the desert: The lost cities of the Nigerien Sahara

A long trek across the desert of northeastern Niger brings the visitor to one of the most astonishing and rewarding sights in the Sahel: fortified villages of salt and clay perched on rocks with the Saharan sands laying siege ...

Yellow crazy ant males have two sets of DNA

A small international team of molecular and evolutionary scientists has discovered that male yellow crazy ants (also known as long-legged ants) have two sets of DNA throughout their bodies. In their paper published in the ...

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