Cyanobacteria thrive in warm, sunny lakes and ponds that contain excess nitrogen and phosphorus nutrients derived from fertiliser, manure and sewage. When conditions are right, cyanobacteria multiply ...

First a river ran blood red. Now Argentina's beloved giant rodent, the capybara, has been coated in Hulk-green slime as ...

It's recommended to use the low-pressure setting on the machine if you're using one, to avoid dislodging the patio slabs. Use ...