前十五著名又实用的:
1 howstuffworks
2 NOAA
3 Discovery
4 NASA
5 ScienceDirect
6 ScienceDaily
7 nature
8 treehugger
9 PopSci
10 ScienceBlogs
11 PhysOrg
12 NewScientist
13 LiveScience
14 Space
15 RedOrbit