Life Sciences
A few examples of what you can ask Wolfram|Alpha about:
get information about a human anatomical structure
find information about a property of a human anatomical structure
get data on groups or systems within human anatomy
translate a DNA base sequence and find occurrences in the human genome
analyze a gene and locate it on a chromosome
analyze a protein
get information about a species
compare multiple species
get information about higher taxa
get information about a type of dinosaur
compare multiple dinosaurs
get information about dinosaur taxa