Articles

Showing 2 results from a total of 12

Understand

August 12, 2009 | Issue 12

Hydrocarbons: a fossil but not (yet) extinct

Continuing our energy series, Menno van Dijk introduces us to the past, present and future of hydrocarbons – still the most common of all fuels.

Ages: 14-16, 16-19;
Topics: Physics, Chemistry, Earth science, Engineering, Science and society
       

Teach

March 9, 2007 | Issue 4

Two hydrolytic enzymes and an epistemological–historical approach

Why are enzymes so special? How do they differ from inorganic catalysts? Isabella Marini from the University of Pisa, Italy, describes a classroom protocol to enable students to answer these questions for themselves.

Ages: 14-16;
Topics: Biology, Chemistry