As climate change threatens farmers’ ability to produce the world ’ s food, researchers and environmental advocates think they have a solution: playing in the dirt. How farming could become ...

I use mine to vacuum my substrate once each week and my tanks always looks clean. Syphon-powered gravel cleaners are designed to remove dirt-laden water from within the substrate when you're doing ...

Corydoras like to root around in the substrate for food. So what should we use in the aquarium to allow them to behave naturally, without damage to their barbels? Heiko Bleher explains. I strongly ...

The new polymer notes are printed by De La Rue on Safeguard polymer substrate, a thin ... when the notes are tilted • More resistant to dirt and moisture, increasing the quality of the banknotes ...