This week’s Science Times is rich with illustration from members of theispot.com.

Viktor Koen illustrates the controversial e-cigarette, a quit-smoking aid:

Chris Gash shows why big cats have such loud roars (and what they have in common with human babies).

Keith Negley depicts the dangers to children as the network of poison centers is threatened by state and federal budget cuts.

Stuart Bradford illustrates how a low-acid diet might alleviate heartburn.

Yvetta Fedorova visualizes the wisdom of acting quickly to save a damaged retina.