| 1
|
| Cambridge - Massachusets |
| 2
|
| Palo Alto - California |
| 3
|
| Cambridge - Massachusets |
| 4
|
| Pennsylvania |
| 5
|
| Berkeley - California |
| 6
|
| Ann Arbor - Michigan |
| 7
|
| Madison - Wisconsin |
| 8
|
| Twin cities - Minnesota |
| 9
|
| Urbana - illinois |
| 10
|
| Ithaca - New York |
| 11
|
| Austin - Texas |
| 12
|
| Seattle - Washington |
| 13
|
| Philadelphia -
Pennsylvania |
| 14
|
| New York |
| 15
|
| Chicago - illinois |
| 16
|
| Texas |
| 17
|
| Los Angeles - California |
| 18
|
| Tucson - Arizona |
| 19
|
| Maryland |
| 20
|
| West Lafayette - Indiana |
| 21
|
| Blacksburg - Virginia |
| 22
|
| Gainesville - Florida |
| 23
|
| East Lansing - Michigan |
| 24
|
| Bloomington - Indiana |
| 25
|
| Toronto - Canada |
| 26
|
| Chapel Hill - North Carolina |
| 27
|
| Cambridge - United Kingdom |
| 28
|
| New Brunswick - New Jersey |
| 29
|
| Durham - North Carolina |
| 30
|
| Atlanta - Georgia |
| 31
|
| Pasadena - California |
| 32
|
| La Jolla - California |
| 33
|
| New York - New York |
| 34
|
| Pittsburgh - Pennsylvania |
| 35
|
| Charlottesville - Virginia |
| 36
|
| Princeton - New jersey |
| 37
|
| Oxford - United Kingdom |
| 38
|
| Zürich - Switzerland |
| 39
|
| Los Angeles - California |
| 40
|
| British Columbia - Canada |
| 41
|
| New Haven - Connecticut |
| 42
|
| Baltimore - Maryland |
| 43
|
| Helsinki - Finland |
| 44
|
| Davis - California |
| 45
|
| Raleigh - North Carolina |
| 46
|
| Saint Louis - Missouri |
| 47
|
| Canberra - Australia |
| 48
|
| Salt Lake City - Utah |
| 49
|
| Boulder - Colorado |
| 50
|
| Oslo - Norway |
