Biology is not just for biologists anymore: chemists have crossed over into the field.?Chemical biologists are at the forefront of?many of the latest advances in science today.?Their work touches nearly every aspect of our?lives, including agriculture, biotechnology, and?healthcare. They have analyzed DNA traces?found during crime scene investigations,?formulated insulin and other life-saving?medicines, and have even designed yeast-based biosensors that sniff out explosives.?There is an increasing need for scientists and?technicians who are well versed in both?biology and chemistry.