Objective: Separate the different pigments in tree leaves Areas of science: Chemistry, Plants Time required: 1–2 days Key concepts: plant pigments, paper chromatography, leaves Credits: Teisha Rowland, PhD, Science Buddies;…

Chunks of ice fall from the sky, bounce off hard surfaces — and sometimes even break windshields and hurt crops. Maybe you’ve seen these pieces of ice laying on the…

A common ingredient of many plastics has just been linked to a high risk of death from diseases of the heart and blood vessels. The chemical is known as DEHP.…