A new air purification unit requires little energy in removing toxic gasses, dust and bacteria, much the way air is cleansed in the atmosphere. The new invention is out of the test lab and now cleaning industrial emissions.
Analyses of Stone Age settlements reveal that the hunters were healthy and would gladly eat anything they could get their hands on, including carbohydrates – contrary to the modern definition of the Paleolithic, or Stone Age diet.
The hedge that separates you from your neighbour wouldn’t be what it is today if it wasn’t for the fences and embankments built by Iron Age Northern Europeans.
Increased health care costs in the gray-haired future might be smaller than feared as the incidents of stroke and heart attack are likely to fall in the decades ahead.
The story about Knut, the polar bear from Berlin, tells us something about our times, our relationship with animals and our outlook on the environment.