4.36 avg rating — 3,012 ratings

3.99 avg rating — 886 ratings

3.90 avg rating — 57,578 ratings

"paleontology"

4.16 avg rating — 3,208 ratings

"ornithology"

4.04 avg rating — 14,497 ratings

"ornithology"

3.81 avg rating — 14,450 ratings

3.98 avg rating — 466 ratings

3.54 avg rating — 690 ratings

3.87 avg rating — 111,942 ratings

"anthropology"

3.91 avg rating — 210,645 ratings

"anthropology"

3.73 avg rating — 49,225 ratings

"anthropology"

4.25 avg rating — 2,511 ratings

"anthropology"

3.83 avg rating — 5,558 ratings

"anthropology"

4.15 avg rating — 82,875 ratings

"paleontology, anthropology, meteorology, geology, oceanography, and ecology"

4.24 avg rating — 1,217 ratings

"archeology, anthropology, sociology, geology, paleontology"