If you are your household’s designated bathroom cleaner (or if you pay attention to your surroundings when you’re in the ...

Students also make an Epsom salt solution to simulate hard water. Students combine the soap solution with the Epsom salt solution to produce a solid “soap scum” precipitate. Students then carry out a ...

In water, in the oceans ... Now, blue cupcake anyone? How pond scum could become the hero of our eating habits on Earth and feed astronauts on missions to Mars.