To protect the ozone layer, many halogenated hydrocarbons are banned. (Image: studio023 / iStock)
The gas trichlorofluoromethane contributes to the depletion of the ozone...
Comparison of the skulls of alligator pike (left) and Tiktaalik. (Image: Justin Lemberg / University of Chicago)
To survive on land, the first vertebrates...
Artist's impression of extinct representatives of the crocodiles with different diets. (Image: Jorge Gonzalez)
They lurk in the water for prey and then snap...
Ships emit exhaust gases that contribute to aerosol formation. (Image: Torresigner / iStock)
Tiny particles in the air, so-called aerosols, are created, for example,...
Depiction of a Spinosaurus while wading in the water with its snout rummaging for prey. (Image: Robert Nicholls)
How did the whimsical Spinosaurus live...
So far, roofs have mainly been used for photovoltaics, not facades. (Image: Behnisch et al./IÖR)
Not only roofs offer space for photovoltaic systems: house facades...
This is what the Psittacosaurus sewer could have looked like. (Image: Bob Nicholls / Paleocreations.com 2020)
Except for mammals, most vertebrates have a cesspool...
Springtails (Collembola) are important soil dwellers and can provide useful information about soil quality and protection needs. (Image: Photo: Andy Murray)
Worms, springtails and...