Related topics: ipad

A 3,400-year-old city emerges from the Tigris River

A team of German and Kurdish archaeologists have uncovered a 3,400-year-old Mittani Empire-era city once located on the Tigris River. The settlement emerged from the waters of the Mosul reservoir early this year as water ...

This hydrogel tablet can purify a liter of river water in an hour

As much as a third of the world's population does not have access to clean drinking water, according to some estimates, and half of the population could live in water-stressed areas by 2025. Finding a solution to this problem ...

page 2 from 40